85041893631 has 16 divisors (see below), whose sum is σ = 115997018720. Its totient is φ = 55404933120.

The previous prime is 85041893597. The next prime is 85041893633. The reversal of 85041893631 is 13639814058.

It is not a de Polignac number, because 85041893631 - 2⁶ = 85041893567 is a prime.

It is a super-2 number, since 2×85041893631² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85041893633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1757410 + ... + 1805151.

It is an arithmetic number, because the mean of its divisors is an integer number (7249813670).

Almost surely, 2^85041893631 is an apocalyptic number.

85041893631 is a deficient number, since it is larger than the sum of its proper divisors (30955125089).

85041893631 is a wasteful number, since it uses less digits than its factorization.

85041893631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3562746.

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 85041893631 in words is "eighty-five billion, forty-one million, eight hundred ninety-three thousand, six hundred thirty-one".