99769039632 has 80 divisors (see below), whose sum is σ = 293034012480. Its totient is φ = 32482937088.

The previous prime is 99769039631. The next prime is 99769039637. The reversal of 99769039632 is 23693096799.

99769039632 is a `hidden beast` number, since 99 + 76 + 90 + 396 + 3 + 2 = 666.

It is a super-2 number, since 2×99769039632² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 99769039632.

It is not an unprimeable number, because it can be changed into a prime (99769039631) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 2666853 + ... + 2704004.

It is an arithmetic number, because the mean of its divisors is an integer number (3662925156).

Almost surely, 2^99769039632 is an apocalyptic number.

It is an amenable number.

99769039632 is an abundant number, since it is smaller than the sum of its proper divisors (193264972848).

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

99769039632 is a wasteful number, since it uses less digits than its factorization.

99769039632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5370917 (or 5370905 counting only the distinct ones).

The product of its (nonzero) digits is 29760696, while the sum is 63.

The spelling of 99769039632 in words is "ninety-nine billion, seven hundred sixty-nine million, thirty-nine thousand, six hundred thirty-two".