85854671553 has 16 divisors (see below), whose sum is σ = 132121478016. Its totient is φ = 48574070400.

The previous prime is 85854671527. The next prime is 85854671563. The reversal of 85854671553 is 35517645858.

It is not a de Polignac number, because 85854671553 - 2²⁰ = 85853622977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85854671493 and 85854671502.

It is not an unprimeable number, because it can be changed into a prime (85854671503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20237076 + ... + 20241317.

It is an arithmetic number, because the mean of its divisors is an integer number (8257592376).

Almost surely, 2^85854671553 is an apocalyptic number.

It is an amenable number.

85854671553 is a deficient number, since it is larger than the sum of its proper divisors (46266806463).

85854671553 is a wasteful number, since it uses less digits than its factorization.

85854671553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40478504.

The product of its digits is 20160000, while the sum is 57.

The spelling of 85854671553 in words is "eighty-five billion, eight hundred fifty-four million, six hundred seventy-one thousand, five hundred fifty-three".