99278655932 has 6 divisors (see below), whose sum is σ = 173737647888. Its totient is φ = 49639327964.

The previous prime is 99278655919. The next prime is 99278655943. The reversal of 99278655932 is 23955687299.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12409831988 + ... + 12409831995.

It is an arithmetic number, because the mean of its divisors is an integer number (28956274648).

Almost surely, 2^99278655932 is an apocalyptic number.

It is an amenable number.

99278655932 is a deficient number, since it is larger than the sum of its proper divisors (74458991956).

99278655932 is a wasteful number, since it uses less digits than its factorization.

99278655932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24819663987 (or 24819663985 counting only the distinct ones).

The product of its digits is 73483200, while the sum is 65.

The spelling of 99278655932 in words is "ninety-nine billion, two hundred seventy-eight million, six hundred fifty-five thousand, nine hundred thirty-two".