85457854582 has 4 divisors (see below), whose sum is σ = 128186781876. Its totient is φ = 42728927290.

The previous prime is 85457854579. The next prime is 85457854609. The reversal of 85457854582 is 28545875458.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28545875458 = 2 ⋅14272937729.

It is a self number, because there is not a number n which added to its sum of digits gives 85457854582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21364463644 + ... + 21364463647.

It is an arithmetic number, because the mean of its divisors is an integer number (32046695469).

Almost surely, 2^85457854582 is an apocalyptic number.

85457854582 is a deficient number, since it is larger than the sum of its proper divisors (42728927294).

85457854582 is a wasteful number, since it uses less digits than its factorization.

85457854582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42728927293.

The product of its digits is 71680000, while the sum is 61.

The spelling of 85457854582 in words is "eighty-five billion, four hundred fifty-seven million, eight hundred fifty-four thousand, five hundred eighty-two".