85625756457 has 16 divisors (see below), whose sum is σ = 114544896000. Its totient is φ = 56895510672.

The previous prime is 85625756389. The next prime is 85625756473. The reversal of 85625756457 is 75465752658.

It is not a de Polignac number, because 85625756457 - 2¹² = 85625752361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85625756457.

It is not an unprimeable number, because it can be changed into a prime (85625056457) 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, 1197294 + ... + 1266792.

It is an arithmetic number, because the mean of its divisors is an integer number (7159056000).

Almost surely, 2^85625756457 is an apocalyptic number.

It is an amenable number.

85625756457 is a deficient number, since it is larger than the sum of its proper divisors (28919139543).

85625756457 is a wasteful number, since it uses less digits than its factorization.

85625756457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70852.

The product of its digits is 70560000, while the sum is 60.

The spelling of 85625756457 in words is "eighty-five billion, six hundred twenty-five million, seven hundred fifty-six thousand, four hundred fifty-seven".