85873678553 has 32 divisors (see below), whose sum is σ = 97310932992. Its totient is φ = 75237465600.

The previous prime is 85873678487. The next prime is 85873678573. The reversal of 85873678553 is 35587637858.

It is a cyclic number.

It is not a de Polignac number, because 85873678553 - 2³⁰ = 84799936729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85873678553.

It is not an unprimeable number, because it can be changed into a prime (85873678573) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5316776 + ... + 5332902.

It is an arithmetic number, because the mean of its divisors is an integer number (3040966656).

Almost surely, 2^85873678553 is an apocalyptic number.

It is an amenable number.

85873678553 is a deficient number, since it is larger than the sum of its proper divisors (11437254439).

85873678553 is a wasteful number, since it uses less digits than its factorization.

85873678553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16425.

The product of its digits is 169344000, while the sum is 65.

The spelling of 85873678553 in words is "eighty-five billion, eight hundred seventy-three million, six hundred seventy-eight thousand, five hundred fifty-three".