85456614631 has 4 divisors (see below), whose sum is σ = 85698701712. Its totient is φ = 85214527552.

The previous prime is 85456614599. The next prime is 85456614641. The reversal of 85456614631 is 13641665458.

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

It is a cyclic number.

It is not a de Polignac number, because 85456614631 - 2⁵ = 85456614599 is a prime.

It is a super-2 number, since 2×85456614631² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85456614641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121043011 + ... + 121043716.

It is an arithmetic number, because the mean of its divisors is an integer number (21424675428).

Almost surely, 2^85456614631 is an apocalyptic number.

85456614631 is a deficient number, since it is larger than the sum of its proper divisors (242087081).

85456614631 is a wasteful number, since it uses less digits than its factorization.

85456614631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242087080.

The product of its digits is 2073600, while the sum is 49.

The spelling of 85456614631 in words is "eighty-five billion, four hundred fifty-six million, six hundred fourteen thousand, six hundred thirty-one".