99676973106576 has 50 divisors (see below), whose sum is σ = 288494078802182. Its totient is φ = 33225657701760.

The previous prime is 99676973106497. The next prime is 99676973106577. The reversal of 99676973106576 is 67560137967699.

99676973106576 is a `hidden beast` number, since 9 + 9 + 6 + 7 + 6 + 9 + 7 + 31 + 0 + 6 + 576 = 666.

It can be written as a sum of positive squares in only one way, i.e., 99075665912976 + 601307193600 = 9953676^2 + 775440^2 .

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a junction number, because it is equal to n+sod(n) for n = 99676973106495 and 99676973106504.

It is not an unprimeable number, because it can be changed into a prime (99676973106577) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 38455621045 + ... + 38455623636.

Almost surely, 2^{99676973106576} is an apocalyptic number.

It is an amenable number.

99676973106576 is an abundant number, since it is smaller than the sum of its proper divisors (188817105695606).

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

99676973106576 is a wasteful number, since it uses less digits than its factorization.

99676973106576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76911244701 (or 76911244686 counting only the distinct ones).

The product of its (nonzero) digits is 4860913680, while the sum is 81.

The spelling of 99676973106576 in words is "ninety-nine trillion, six hundred seventy-six billion, nine hundred seventy-three million, one hundred six thousand, five hundred seventy-six".