85072373841 has 64 divisors (see below), whose sum is σ = 143284377600. Its totient is φ = 43706082816.

The previous prime is 85072373833. The next prime is 85072373917. The reversal of 85072373841 is 14837327058.

It is not a de Polignac number, because 85072373841 - 2³ = 85072373833 is a prime.

It is a super-2 number, since 2×85072373841² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85072373801) 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 63 ways as a sum of consecutive naturals, for example, 1601770 + ... + 1654028.

It is an arithmetic number, because the mean of its divisors is an integer number (2238818400).

Almost surely, 2^85072373841 is an apocalyptic number.

It is an amenable number.

85072373841 is a deficient number, since it is larger than the sum of its proper divisors (58212003759).

85072373841 is a wasteful number, since it uses less digits than its factorization.

85072373841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52438.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 85072373841 in words is "eighty-five billion, seventy-two million, three hundred seventy-three thousand, eight hundred forty-one".