99810027292 has 48 divisors (see below), whose sum is σ = 194894102592. Its totient is φ = 44482380800.

The previous prime is 99810027287. The next prime is 99810027301. The reversal of 99810027292 is 29272001899.

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, 157963 + ... + 473890.

It is an arithmetic number, because the mean of its divisors is an integer number (4060293804).

Almost surely, 2^99810027292 is an apocalyptic number.

99810027292 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

99810027292 is the 157964-th decagonal number.

It is an amenable number.

99810027292 is a deficient number, since it is larger than the sum of its proper divisors (95084075300).

99810027292 is a wasteful number, since it uses less digits than its factorization.

99810027292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631998 (or 631996 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 49.

The spelling of 99810027292 in words is "ninety-nine billion, eight hundred ten million, twenty-seven thousand, two hundred ninety-two".