99270779152 has 10 divisors (see below), whose sum is σ = 192337134638. Its totient is φ = 49635389568.

The previous prime is 99270779141. The next prime is 99270779173. The reversal of 99270779152 is 25197707299.

It can be written as a sum of positive squares in only one way, i.e., 49668362496 + 49602416656 = 222864^2 + 222716^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3102211833 + ... + 3102211864.

Almost surely, 2^99270779152 is an apocalyptic number.

It is an amenable number.

99270779152 is a deficient number, since it is larger than the sum of its proper divisors (93066355486).

99270779152 is a wasteful number, since it uses less digits than its factorization.

99270779152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6204423705 (or 6204423699 counting only the distinct ones).

The product of its (nonzero) digits is 5000940, while the sum is 58.

The spelling of 99270779152 in words is "ninety-nine billion, two hundred seventy million, seven hundred seventy-nine thousand, one hundred fifty-two".