264013887765 has 32 divisors (see below), whose sum is σ = 434485814400. Its totient is φ = 136820146176.

The previous prime is 264013887757. The next prime is 264013887773. The reversal of 264013887765 is 567788310462.

It is an interprime number because it is at equal distance from previous prime (264013887757) and next prime (264013887773).

It is not a de Polignac number, because 264013887765 - 2³ = 264013887757 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 935940 + ... + 1184909.

It is an arithmetic number, because the mean of its divisors is an integer number (13577681700).

Almost surely, 2^264013887765 is an apocalyptic number.

It is an amenable number.

264013887765 is a deficient number, since it is larger than the sum of its proper divisors (170471926635).

264013887765 is a wasteful number, since it uses less digits than its factorization.

264013887765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121093.

The product of its (nonzero) digits is 13547520, while the sum is 57.

The spelling of 264013887765 in words is "two hundred sixty-four billion, thirteen million, eight hundred eighty-seven thousand, seven hundred sixty-five".