82570196277 has 12 divisors (see below), whose sum is σ = 119276096940. Its totient is φ = 55043088768.

The previous prime is 82570196231. The next prime is 82570196311. The reversal of 82570196277 is 77269107528.

It is a happy number.

82570196277 is a `hidden beast` number, since 8 + 2 + 5 + 7 + 0 + 1 + 9 + 627 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 59126299281 + 23443896996 = 243159^2 + 153114^2 .

It is not a de Polignac number, because 82570196277 - 2¹² = 82570192181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82570196207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164502 + ... + 438407.

It is an arithmetic number, because the mean of its divisors is an integer number (9939674745).

Almost surely, 2^82570196277 is an apocalyptic number.

It is an amenable number.

82570196277 is a deficient number, since it is larger than the sum of its proper divisors (36705900663).

82570196277 is a wasteful number, since it uses less digits than its factorization.

82570196277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618132 (or 618129 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 54.

The spelling of 82570196277 in words is "eighty-two billion, five hundred seventy million, one hundred ninety-six thousand, two hundred seventy-seven".