85625707774 has 4 divisors (see below), whose sum is σ = 128438561664. Its totient is φ = 42812853886.

The previous prime is 85625707771. The next prime is 85625707787. The reversal of 85625707774 is 47770752658.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85625707771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21406426942 + ... + 21406426945.

It is an arithmetic number, because the mean of its divisors is an integer number (32109640416).

Almost surely, 2^85625707774 is an apocalyptic number.

85625707774 is a deficient number, since it is larger than the sum of its proper divisors (42812853890).

85625707774 is a wasteful number, since it uses less digits than its factorization.

85625707774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42812853889.

The product of its (nonzero) digits is 23049600, while the sum is 58.

The spelling of 85625707774 in words is "eighty-five billion, six hundred twenty-five million, seven hundred seven thousand, seven hundred seventy-four".