98881775 has 12 divisors (see below), whose sum is σ = 129826512. Its totient is φ = 74451840.

The previous prime is 98881763. The next prime is 98881777. The reversal of 98881775 is 57718889.

It is a happy number.

It is not a de Polignac number, because 98881775 - 2⁶ = 98881711 is a prime.

It is a Duffinian number.

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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115907 + ... + 116756.

It is an arithmetic number, because the mean of its divisors is an integer number (10818876).

Almost surely, 2^98881775 is an apocalyptic number.

98881775 is a deficient number, since it is larger than the sum of its proper divisors (30944737).

98881775 is a wasteful number, since it uses less digits than its factorization.

98881775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232690 (or 232685 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 53.

The square root of 98881775 is about 9943.9315665385. The cubic root of 98881775 is about 462.4222805856.

The spelling of 98881775 in words is "ninety-eight million, eight hundred eighty-one thousand, seven hundred seventy-five".