99876530412 has 48 divisors (see below), whose sum is σ = 270197383680. Its totient is φ = 31844690064.

The previous prime is 99876530363. The next prime is 99876530449. The reversal of 99876530412 is 21403567899.

99876530412 is a `hidden beast` number, since 9 + 98 + 7 + 6 + 530 + 4 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 20101488 + ... + 20106455.

It is an arithmetic number, because the mean of its divisors is an integer number (5629112160).

It is a 2-persistent number, because it is pandigital, and so is 2⋅99876530412 = 199753060824, but 3⋅99876530412 = 299629591236 is not.

Almost surely, 2^99876530412 is an apocalyptic number.

99876530412 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

99876530412 is an abundant number, since it is smaller than the sum of its proper divisors (170320853268).

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

99876530412 is a wasteful number, since it uses less digits than its factorization.

99876530412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40207979 (or 40207971 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 99876530412 in words is "ninety-nine billion, eight hundred seventy-six million, five hundred thirty thousand, four hundred twelve".