98772777892 has 12 divisors (see below), whose sum is σ = 180367681536. Its totient is φ = 47239154600.

The previous prime is 98772777889. The next prime is 98772777893. The reversal of 98772777892 is 29877727789.

It is not an unprimeable number, because it can be changed into a prime (98772777893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536808484 + ... + 536808667.

It is an arithmetic number, because the mean of its divisors is an integer number (15030640128).

Almost surely, 2^98772777892 is an apocalyptic number.

98772777892 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

98772777892 is a deficient number, since it is larger than the sum of its proper divisors (81594903644).

98772777892 is a wasteful number, since it uses less digits than its factorization.

98772777892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073617178 (or 1073617176 counting only the distinct ones).

The product of its digits is 348509952, while the sum is 73.

The spelling of 98772777892 in words is "ninety-eight billion, seven hundred seventy-two million, seven hundred seventy-seven thousand, eight hundred ninety-two".