82777463585 has 32 divisors (see below), whose sum is σ = 102016392192. Its totient is φ = 64464603840.

The previous prime is 82777463579. The next prime is 82777463617. The reversal of 82777463585 is 58536477728.

It is not a de Polignac number, because 82777463585 - 2⁶ = 82777463521 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7213022 + ... + 7224488.

It is an arithmetic number, because the mean of its divisors is an integer number (3188012256).

Almost surely, 2^82777463585 is an apocalyptic number.

It is an amenable number.

82777463585 is a deficient number, since it is larger than the sum of its proper divisors (19238928607).

82777463585 is a wasteful number, since it uses less digits than its factorization.

82777463585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11813.

The product of its digits is 79027200, while the sum is 62.

The spelling of 82777463585 in words is "eighty-two billion, seven hundred seventy-seven million, four hundred sixty-three thousand, five hundred eighty-five".