99270665 has 16 divisors (see below), whose sum is σ = 128798208. Its totient is φ = 73016256.

The previous prime is 99270659. The next prime is 99270671. The reversal of 99270665 is 56607299.

It is an interprime number because it is at equal distance from previous prime (99270659) and next prime (99270671).

It is a cyclic number.

It is not a de Polignac number, because 99270665 - 2¹⁸ = 99008521 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14192 + ... + 19998.

It is an arithmetic number, because the mean of its divisors is an integer number (8049888).

Almost surely, 2^99270665 is an apocalyptic number.

It is an amenable number.

99270665 is a deficient number, since it is larger than the sum of its proper divisors (29527543).

99270665 is a wasteful number, since it uses less digits than its factorization.

99270665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6088.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 99270665 is about 9963.4665152245. The cubic root of 99270665 is about 463.0277044627.

The spelling of 99270665 in words is "ninety-nine million, two hundred seventy thousand, six hundred sixty-five".