99217908537292 has 24 divisors (see below), whose sum is σ = 173741982541344. Its totient is φ = 49577350822272.

The previous prime is 99217908537259. The next prime is 99217908537317. The reversal of 99217908537292 is 29273580971299.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44549758 + ... + 46723834.

It is an arithmetic number, because the mean of its divisors is an integer number (7239249272556).

Almost surely, 2^{99217908537292} is an apocalyptic number.

It is an amenable number.

99217908537292 is a deficient number, since it is larger than the sum of its proper divisors (74524074004052).

99217908537292 is a wasteful number, since it uses less digits than its factorization.

99217908537292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2181345 (or 2181343 counting only the distinct ones).

The product of its (nonzero) digits is 308629440, while the sum is 73.

The spelling of 99217908537292 in words is "ninety-nine trillion, two hundred seventeen billion, nine hundred eight million, five hundred thirty-seven thousand, two hundred ninety-two".