85393463090 has 48 divisors (see below), whose sum is σ = 166038388488. Its totient is φ = 31433720832.

The previous prime is 85393463081. The next prime is 85393463123. The reversal of 85393463090 is 9036439358.

It can be written as a sum of positive squares in 12 ways, for example, as 31563430921 + 53830032169 = 177661^2 + 232013^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15831434 + ... + 15836826.

Almost surely, 2^85393463090 is an apocalyptic number.

85393463090 is a deficient number, since it is larger than the sum of its proper divisors (80644925398).

85393463090 is a wasteful number, since it uses less digits than its factorization.

85393463090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6111 (or 5762 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 50.

The spelling of 85393463090 in words is "eighty-five billion, three hundred ninety-three million, four hundred sixty-three thousand, ninety".