85836137264 has 40 divisors (see below), whose sum is σ = 174213715680. Its totient is φ = 40892284928.

The previous prime is 85836137263. The next prime is 85836137267. The reversal of 85836137264 is 46273163858.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (85836137263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359219 + ... + 548370.

It is an arithmetic number, because the mean of its divisors is an integer number (4355342892).

Almost surely, 2^85836137264 is an apocalyptic number.

It is an amenable number.

85836137264 is an abundant number, since it is smaller than the sum of its proper divisors (88377578416).

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

85836137264 is a wasteful number, since it uses less digits than its factorization.

85836137264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907877 (or 907871 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 53.

The spelling of 85836137264 in words is "eighty-five billion, eight hundred thirty-six million, one hundred thirty-seven thousand, two hundred sixty-four".