85456727634 has 16 divisors (see below), whose sum is σ = 171530474688. Its totient is φ = 28382739312.

The previous prime is 85456727597. The next prime is 85456727641. The reversal of 85456727634 is 43672765458.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25707342 + ... + 25710665.

It is an arithmetic number, because the mean of its divisors is an integer number (10720654668).

Almost surely, 2^85456727634 is an apocalyptic number.

85456727634 is an abundant number, since it is smaller than the sum of its proper divisors (86073747054).

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

85456727634 is a wasteful number, since it uses less digits than its factorization.

85456727634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51418289.

The product of its digits is 33868800, while the sum is 57.

The spelling of 85456727634 in words is "eighty-five billion, four hundred fifty-six million, seven hundred twenty-seven thousand, six hundred thirty-four".