64572264895 has 8 divisors (see below), whose sum is σ = 77580192960. Its totient is φ = 51595495200.

The previous prime is 64572264863. The next prime is 64572264907. The reversal of 64572264895 is 59846227546.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64572264895 - 2⁵ = 64572264863 is a prime.

It is a super-2 number, since 2×64572264895² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7785031 + ... + 7793320.

It is an arithmetic number, because the mean of its divisors is an integer number (9697524120).

Almost surely, 2^64572264895 is an apocalyptic number.

64572264895 is a deficient number, since it is larger than the sum of its proper divisors (13007928065).

64572264895 is a wasteful number, since it uses less digits than its factorization.

64572264895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15579185.

The product of its digits is 29030400, while the sum is 58.

The spelling of 64572264895 in words is "sixty-four billion, five hundred seventy-two million, two hundred sixty-four thousand, eight hundred ninety-five".