98671878 has 16 divisors (see below), whose sum is σ = 219270960. Its totient is φ = 32890608.

The previous prime is 98671873. The next prime is 98671889. The reversal of 98671878 is 87817689.

It is a super-2 number, since 2×98671878² = 19472279016093768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1827257 = 98671878 / (9 + 8 + 6 + 7 + 1 + 8 + 7 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98671873) 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 7 ways as a sum of consecutive naturals, for example, 913575 + ... + 913682.

It is an arithmetic number, because the mean of its divisors is an integer number (13704435).

Almost surely, 2^98671878 is an apocalyptic number.

98671878 is an abundant number, since it is smaller than the sum of its proper divisors (120599082).

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

98671878 is a wasteful number, since it uses less digits than its factorization.

98671878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827268 (or 1827262 counting only the distinct ones).

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

The square root of 98671878 is about 9933.3719350480. The cubic root of 98671878 is about 462.0948531842.

The spelling of 98671878 in words is "ninety-eight million, six hundred seventy-one thousand, eight hundred seventy-eight".