85500581674 has 4 divisors (see below), whose sum is σ = 128250872514. Its totient is φ = 42750290836.

The previous prime is 85500581657. The next prime is 85500581701. The reversal of 85500581674 is 47618500558.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47618500558 = 2 ⋅23809250279.

It can be written as a sum of positive squares in only one way, i.e., 48837906049 + 36662675625 = 220993^2 + 191475^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21375145417 + ... + 21375145420.

Almost surely, 2^85500581674 is an apocalyptic number.

85500581674 is a deficient number, since it is larger than the sum of its proper divisors (42750290840).

85500581674 is a wasteful number, since it uses less digits than its factorization.

85500581674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42750290839.

The product of its (nonzero) digits is 1344000, while the sum is 49.

The spelling of 85500581674 in words is "eighty-five billion, five hundred million, five hundred eighty-one thousand, six hundred seventy-four".