98775788 has 6 divisors (see below), whose sum is σ = 172857636. Its totient is φ = 49387892.

The previous prime is 98775751. The next prime is 98775791. The reversal of 98775788 is 88757789.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12346970 + ... + 12346977.

It is an arithmetic number, because the mean of its divisors is an integer number (28809606).

Almost surely, 2^98775788 is an apocalyptic number.

It is an amenable number.

98775788 is a deficient number, since it is larger than the sum of its proper divisors (74081848).

98775788 is a wasteful number, since it uses less digits than its factorization.

98775788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24693951 (or 24693949 counting only the distinct ones).

The product of its digits is 7902720, while the sum is 59.

The square root of 98775788 is about 9938.6009075725. The cubic root of 98775788 is about 462.2570048594.

The spelling of 98775788 in words is "ninety-eight million, seven hundred seventy-five thousand, seven hundred eighty-eight".