277796940057 has 48 divisors (see below), whose sum is σ = 494463959808. Its totient is φ = 146351422080.

The previous prime is 277796940019. The next prime is 277796940061. The reversal of 277796940057 is 750049697772.

277796940057 is a `hidden beast` number, since 27 + 77 + 96 + 9 + 400 + 57 = 666.

277796940057 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 277796940057 - 2⁶ = 277796939993 is a prime.

It is a super-2 number, since 2×277796940057² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 277796939976 and 277796940003.

It is not an unprimeable number, because it can be changed into a prime (277796940257) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 465828 + ... + 878970.

It is an arithmetic number, because the mean of its divisors is an integer number (10301332496).

Almost surely, 2^277796940057 is an apocalyptic number.

It is an amenable number.

277796940057 is a deficient number, since it is larger than the sum of its proper divisors (216667019751).

277796940057 is a wasteful number, since it uses less digits than its factorization.

277796940057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413990 (or 413987 counting only the distinct ones).

The product of its (nonzero) digits is 46675440, while the sum is 63.

The spelling of 277796940057 in words is "two hundred seventy-seven billion, seven hundred ninety-six million, nine hundred forty thousand, fifty-seven".