99862812984 has 96 divisors (see below), whose sum is σ = 283268805120. Its totient is φ = 29285256000.

The previous prime is 99862812971. The next prime is 99862812991. The reversal of 99862812984 is 48921826899.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 464622 + ... + 644669.

It is an arithmetic number, because the mean of its divisors is an integer number (2950716720).

Almost surely, 2^99862812984 is an apocalyptic number.

It is an amenable number.

99862812984 is an abundant number, since it is smaller than the sum of its proper divisors (183405992136).

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

99862812984 is a wasteful number, since it uses less digits than its factorization.

99862812984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109353 (or 1109338 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 66.

The spelling of 99862812984 in words is "ninety-nine billion, eight hundred sixty-two million, eight hundred twelve thousand, nine hundred eighty-four".