82877077828 has 12 divisors (see below), whose sum is σ = 147021665980. Its totient is φ = 40870887552.

The previous prime is 82877077817. The next prime is 82877077831.

82877077828 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 16729352964 + 66147724864 = 129342^2 + 257192^2 .

It is a super-2 number, since 2×82877077828² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 82877077828.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141912513 + ... + 141913096.

Almost surely, 2^82877077828 is an apocalyptic number.

It is an amenable number.

82877077828 is a deficient number, since it is larger than the sum of its proper divisors (64144588152).

82877077828 is a wasteful number, since it uses less digits than its factorization.

82877077828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283825686 (or 283825684 counting only the distinct ones).

The product of its (nonzero) digits is 39337984, while the sum is 64.

The spelling of 82877077828 in words is "eighty-two billion, eight hundred seventy-seven million, seventy-seven thousand, eight hundred twenty-eight".