472772137747557 has 16 divisors (see below), whose sum is σ = 632120751360000. Its totient is φ = 314302480250544.

The previous prime is 472772137747531. The next prime is 472772137747579. The reversal of 472772137747557 is 755747731277274.

It is not a de Polignac number, because 472772137747557 - 2¹⁰ = 472772137746533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472772137748557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 510421944 + ... + 511347342.

It is an arithmetic number, because the mean of its divisors is an integer number (39507546960000).

Almost surely, 2^{472772137747557} is an apocalyptic number.

It is an amenable number.

472772137747557 is a deficient number, since it is larger than the sum of its proper divisors (159348613612443).

472772137747557 is a wasteful number, since it uses less digits than its factorization.

472772137747557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400120.

The product of its digits is 3953006400, while the sum is 75.

The spelling of 472772137747557 in words is "four hundred seventy-two trillion, seven hundred seventy-two billion, one hundred thirty-seven million, seven hundred forty-seven thousand, five hundred fifty-seven".