99797083776 has 512 divisors, whose sum is σ = 327037132800. Its totient is φ = 29767938048.

The previous prime is 99797083667. The next prime is 99797083817. The reversal of 99797083776 is 67738079799.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 352639731 + ... + 352640013.

It is an arithmetic number, because the mean of its divisors is an integer number (638744400).

Almost surely, 2^99797083776 is an apocalyptic number.

99797083776 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99797083776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163518566400).

99797083776 is an abundant number, since it is smaller than the sum of its proper divisors (227240049024).

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

99797083776 is a wasteful number, since it uses less digits than its factorization.

99797083776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533 (or 515 counting only the distinct ones).

The product of its (nonzero) digits is 252047376, while the sum is 72.

The spelling of 99797083776 in words is "ninety-nine billion, seven hundred ninety-seven million, eighty-three thousand, seven hundred seventy-six".