88264995521 has 4 divisors (see below), whose sum is σ = 89508164544. Its totient is φ = 87021826500.

The previous prime is 88264995517. The next prime is 88264995527. The reversal of 88264995521 is 12559946288.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 88264995521 - 2² = 88264995517 is a prime.

It is a super-2 number, since 2×88264995521² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88264995527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621584405 + ... + 621584546.

It is an arithmetic number, because the mean of its divisors is an integer number (22377041136).

Almost surely, 2^88264995521 is an apocalyptic number.

It is an amenable number.

88264995521 is a deficient number, since it is larger than the sum of its proper divisors (1243169023).

88264995521 is a wasteful number, since it uses less digits than its factorization.

88264995521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243169022.

The product of its digits is 12441600, while the sum is 59.

The spelling of 88264995521 in words is "eighty-eight billion, two hundred sixty-four million, nine hundred ninety-five thousand, five hundred twenty-one".