82777514994 has 12 divisors (see below), whose sum is σ = 179351282526. Its totient is φ = 27592504992.

The previous prime is 82777514983. The next prime is 82777515017. The reversal of 82777514994 is 49941577728.

82777514994 is a `hidden beast` number, since 8 + 2 + 77 + 75 + 1 + 499 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 81189093969 + 1588421025 = 284937^2 + 39855^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2299375399 + ... + 2299375434.

Almost surely, 2^82777514994 is an apocalyptic number.

82777514994 is an abundant number, since it is smaller than the sum of its proper divisors (96573767532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82777514994 is a wasteful number, since it uses less digits than its factorization.

82777514994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4598750841 (or 4598750838 counting only the distinct ones).

The product of its digits is 35562240, while the sum is 63.

The spelling of 82777514994 in words is "eighty-two billion, seven hundred seventy-seven million, five hundred fourteen thousand, nine hundred ninety-four".