99761937582 has 32 divisors (see below), whose sum is σ = 203168684160. Its totient is φ = 32647972640.

The previous prime is 99761937563. The next prime is 99761937593. The reversal of 99761937582 is 28573916799.

It is a super-2 number, since 2×99761937582² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91357 + ... + 455927.

It is an arithmetic number, because the mean of its divisors is an integer number (6349021380).

Almost surely, 2^99761937582 is an apocalyptic number.

99761937582 is an abundant number, since it is smaller than the sum of its proper divisors (103406746578).

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

99761937582 is a wasteful number, since it uses less digits than its factorization.

99761937582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365408.

The product of its digits is 51438240, while the sum is 66.

The spelling of 99761937582 in words is "ninety-nine billion, seven hundred sixty-one million, nine hundred thirty-seven thousand, five hundred eighty-two".