99387065 has 16 divisors (see below), whose sum is σ = 120657600. Its totient is φ = 78587712.

The previous prime is 99387037. The next prime is 99387077. The reversal of 99387065 is 56078399.

It is a cyclic number.

It is not a de Polignac number, because 99387065 - 2²⁶ = 32278201 is a prime.

It is a Curzon 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, 262046 + ... + 262424.

It is an arithmetic number, because the mean of its divisors is an integer number (7541100).

Almost surely, 2^99387065 is an apocalyptic number.

It is an amenable number.

99387065 is a deficient number, since it is larger than the sum of its proper divisors (21270535).

99387065 is a wasteful number, since it uses less digits than its factorization.

99387065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 99387065 is about 9969.3061443613. The cubic root of 99387065 is about 463.2086084355.

The spelling of 99387065 in words is "ninety-nine million, three hundred eighty-seven thousand, sixty-five".