98881776 has 160 divisors (see below), whose sum is σ = 341644800. Its totient is φ = 26749440.

The previous prime is 98881763. The next prime is 98881777. The reversal of 98881776 is 67718889.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

Its product of digits (1354752) is a multiple of the sum of its prime factors (1764).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98881777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56596 + ... + 58316.

It is an arithmetic number, because the mean of its divisors is an integer number (2135280).

Almost surely, 2^98881776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98881776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170822400).

98881776 is an abundant number, since it is smaller than the sum of its proper divisors (242763024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98881776 is a wasteful number, since it uses less digits than its factorization.

98881776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764 (or 1752 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 54.

The square root of 98881776 is about 9943.9316168204. The cubic root of 98881776 is about 462.4222821444.

It can be divided in two parts, 9888 and 1776, that added together give a square (11664 = 108²).

The spelling of 98881776 in words is "ninety-eight million, eight hundred eighty-one thousand, seven hundred seventy-six".