99927586825 has 96 divisors (see below), whose sum is σ = 144430041600. Its totient is φ = 68387457600.

The previous prime is 99927586819. The next prime is 99927586859. The reversal of 99927586825 is 52868572999.

It is not a de Polignac number, because 99927586825 - 2³ = 99927586817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 113167834 + ... + 113168716.

It is an arithmetic number, because the mean of its divisors is an integer number (1504479600).

Almost surely, 2^99927586825 is an apocalyptic number.

99927586825 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

99927586825 is the 158057-th decagonal number.

It is an amenable number.

99927586825 is a deficient number, since it is larger than the sum of its proper divisors (44502454775).

99927586825 is a wasteful number, since it uses less digits than its factorization.

99927586825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124 (or 1097 counting only the distinct ones).

The product of its digits is 195955200, while the sum is 70.

The spelling of 99927586825 in words is "ninety-nine billion, nine hundred twenty-seven million, five hundred eighty-six thousand, eight hundred twenty-five".