85513576331 has 8 divisors (see below), whose sum is σ = 85761411120. Its totient is φ = 85265859168.

The previous prime is 85513576321. The next prime is 85513576349. The reversal of 85513576331 is 13367531558.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85513576331 is a prime.

It is a super-2 number, since 2×85513576331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85513576321) 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, 1548365 + ... + 1602641.

It is an arithmetic number, because the mean of its divisors is an integer number (10720176390).

Almost surely, 2^85513576331 is an apocalyptic number.

85513576331 is a deficient number, since it is larger than the sum of its proper divisors (247834789).

85513576331 is a wasteful number, since it uses less digits than its factorization.

85513576331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58813.

The product of its digits is 1134000, while the sum is 47.

The spelling of 85513576331 in words is "eighty-five billion, five hundred thirteen million, five hundred seventy-six thousand, three hundred thirty-one".