852775805979 has 6 divisors (see below), whose sum is σ = 1231787275316. Its totient is φ = 568517203980.

The previous prime is 852775805963. The next prime is 852775806007. The reversal of 852775805979 is 979508577258.

852775805979 is a `hidden beast` number, since 8 + 5 + 27 + 7 + 5 + 8 + 0 + 597 + 9 = 666.

It is not a de Polignac number, because 852775805979 - 2⁴ = 852775805963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (852775805179) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47376433657 + ... + 47376433674.

Almost surely, 2^852775805979 is an apocalyptic number.

852775805979 is a deficient number, since it is larger than the sum of its proper divisors (379011469337).

852775805979 is a wasteful number, since it uses less digits than its factorization.

852775805979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94752867337 (or 94752867334 counting only the distinct ones).

The product of its (nonzero) digits is 444528000, while the sum is 72.

The spelling of 852775805979 in words is "eight hundred fifty-two billion, seven hundred seventy-five million, eight hundred five thousand, nine hundred seventy-nine".