85190431876 has 27 divisors (see below), whose sum is σ = 163880724567. Its totient is φ = 38720004840.

The previous prime is 85190431873. The next prime is 85190431901. The reversal of 85190431876 is 67813409158.

The square root of 85190431876 is 291874.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85190431873) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6414595 + ... + 6427861.

Almost surely, 2^85190431876 is an apocalyptic number.

85190431876 is the 291874-th square number.

It is an amenable number.

85190431876 is a deficient number, since it is larger than the sum of its proper divisors (78690292691).

85190431876 is an equidigital number, since it uses as much as digits as its factorization.

85190431876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26560 (or 13280 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 85190431876 in words is "eighty-five billion, one hundred ninety million, four hundred thirty-one thousand, eight hundred seventy-six".