7457957470215 has 64 divisors (see below), whose sum is σ = 15339745720320. Its totient is φ = 3409351951392.

The previous prime is 7457957470207. The next prime is 7457957470241. The reversal of 7457957470215 is 5120747597547.

7457957470215 is a `hidden beast` number, since 7 + 4 + 57 + 9 + 574 + 7 + 0 + 2 + 1 + 5 = 666.

It is not a de Polignac number, because 7457957470215 - 2³ = 7457957470207 is a prime.

It is a super-2 number, since 2×7457957470215² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48639619 + ... + 48792708.

It is an arithmetic number, because the mean of its divisors is an integer number (239683526880).

Almost surely, 2^{7457957470215} is an apocalyptic number.

7457957470215 is an abundant number, since it is smaller than the sum of its proper divisors (7881788250105).

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

7457957470215 is an frugal number, since it uses more digits than its factorization.

7457957470215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97432360 (or 97432342 counting only the distinct ones).

The product of its (nonzero) digits is 86436000, while the sum is 63.

The spelling of 7457957470215 in words is "seven trillion, four hundred fifty-seven billion, nine hundred fifty-seven million, four hundred seventy thousand, two hundred fifteen".