571771772968 has 64 divisors (see below), whose sum is σ = 1267127737920. Its totient is φ = 238919654400.

The previous prime is 571771772911. The next prime is 571771772989. The reversal of 571771772968 is 869277177175.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors.

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, 4379863 + ... + 4508518.

It is an arithmetic number, because the mean of its divisors is an integer number (19798870905).

Almost surely, 2^571771772968 is an apocalyptic number.

It is an amenable number.

571771772968 is an abundant number, since it is smaller than the sum of its proper divisors (695355964952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

571771772968 is a wasteful number, since it uses less digits than its factorization.

571771772968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8888458 (or 8888454 counting only the distinct ones).

The product of its digits is 72606240, while the sum is 67.

The spelling of 571771772968 in words is "five hundred seventy-one billion, seven hundred seventy-one million, seven hundred seventy-two thousand, nine hundred sixty-eight".