264138877675 has 6 divisors (see below), whose sum is σ = 327532208348. Its totient is φ = 211311102120.

The previous prime is 264138877657. The next prime is 264138877679. The reversal of 264138877675 is 576778831462.

It is not a de Polignac number, because 264138877675 - 2¹⁷ = 264138746603 is a prime.

It is a super-2 number, since 2×264138877675² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264138877679) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5282777529 + ... + 5282777578.

Almost surely, 2^264138877675 is an apocalyptic number.

264138877675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

264138877675 is a deficient number, since it is larger than the sum of its proper divisors (63393330673).

264138877675 is a wasteful number, since it uses less digits than its factorization.

264138877675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10565555117 (or 10565555112 counting only the distinct ones).

The product of its digits is 94832640, while the sum is 64.

The spelling of 264138877675 in words is "two hundred sixty-four billion, one hundred thirty-eight million, eight hundred seventy-seven thousand, six hundred seventy-five".