85630427775 has 30 divisors (see below), whose sum is σ = 158617156632. Its totient is φ = 45669560400.

The previous prime is 85630427767. The next prime is 85630427809. The reversal of 85630427775 is 57772403658.

It is a happy number.

85630427775 is a `hidden beast` number, since 8 + 563 + 0 + 4 + 2 + 7 + 7 + 75 = 666.

It is not a de Polignac number, because 85630427775 - 2³ = 85630427767 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 21141291 + ... + 21145340.

Almost surely, 2^85630427775 is an apocalyptic number.

85630427775 is a deficient number, since it is larger than the sum of its proper divisors (72986728857).

85630427775 is a wasteful number, since it uses less digits than its factorization.

85630427775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42286653 (or 42286639 counting only the distinct ones).

The product of its (nonzero) digits is 9878400, while the sum is 54.

The spelling of 85630427775 in words is "eighty-five billion, six hundred thirty million, four hundred twenty-seven thousand, seven hundred seventy-five".