99678032102568 has 16 divisors (see below), whose sum is σ = 249195080256480. Its totient is φ = 33226010700848.

The previous prime is 99678032102567. The next prime is 99678032102611. The reversal of 99678032102568 is 86520123087699.

It is a junction number, because it is equal to n+sod(n) for n = 99678032102499 and 99678032102508.

It is not an unprimeable number, because it can be changed into a prime (99678032102567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2076625668780 + ... + 2076625668827.

It is an arithmetic number, because the mean of its divisors is an integer number (15574692516030).

Almost surely, 2^{99678032102568} is an apocalyptic number.

It is an amenable number.

99678032102568 is an abundant number, since it is smaller than the sum of its proper divisors (149517048153912).

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

99678032102568 is a wasteful number, since it uses less digits than its factorization.

99678032102568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4153251337616 (or 4153251337612 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 66.

The spelling of 99678032102568 in words is "ninety-nine trillion, six hundred seventy-eight billion, thirty-two million, one hundred two thousand, five hundred sixty-eight".