772471004560 has 20 divisors (see below), whose sum is σ = 1795995085788. Its totient is φ = 308988401792.

The previous prime is 772471004497. The next prime is 772471004611. The reversal of 772471004560 is 65400174277.

It can be written as a sum of positive squares in 2 ways, for example, as 92776286464 + 679694718096 = 304592^2 + 824436^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×772471004560² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4827943699 + ... + 4827943858.

Almost surely, 2^772471004560 is an apocalyptic number.

It is an amenable number.

772471004560 is an abundant number, since it is smaller than the sum of its proper divisors (1023524081228).

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

772471004560 is a wasteful number, since it uses less digits than its factorization.

772471004560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9655887570 (or 9655887564 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 43.

The spelling of 772471004560 in words is "seven hundred seventy-two billion, four hundred seventy-one million, four thousand, five hundred sixty".