877776057 has 6 divisors (see below), whose sum is σ = 1267898762. Its totient is φ = 585184032.

The previous prime is 877776043. The next prime is 877776091. The reversal of 877776057 is 750677778.

877776057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 493772841 + 384003216 = 22221^2 + 19596^2 .

It is a de Polignac number, because none of the positive numbers 2^k-877776057 is a prime.

It is a super-3 number, since 3×877776057³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 877775994 and 877776012.

It is not an unprimeable number, because it can be changed into a prime (877706057) 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, 48765328 + ... + 48765345.

Almost surely, 2^877776057 is an apocalyptic number.

It is an amenable number.

877776057 is a deficient number, since it is larger than the sum of its proper divisors (390122705).

877776057 is a wasteful number, since it uses less digits than its factorization.

877776057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97530679 (or 97530676 counting only the distinct ones).

The product of its (nonzero) digits is 4033680, while the sum is 54.

The square root of 877776057 is about 29627.2856839772. The cubic root of 877776057 is about 957.4760294590.

The spelling of 877776057 in words is "eight hundred seventy-seven million, seven hundred seventy-six thousand, fifty-seven".