56877688417 has 8 divisors (see below), whose sum is σ = 62494780320. Its totient is φ = 51334995360.

The previous prime is 56877688369. The next prime is 56877688421. The reversal of 56877688417 is 71488677865.

56877688417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56877688417 - 2⁷ = 56877688289 is a prime.

It is a super-2 number, since 2×56877688417² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56877688447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18598108 + ... + 18601165.

It is an arithmetic number, because the mean of its divisors is an integer number (7811847540).

Almost surely, 2^56877688417 is an apocalyptic number.

It is an amenable number.

56877688417 is a deficient number, since it is larger than the sum of its proper divisors (5617091903).

56877688417 is a wasteful number, since it uses less digits than its factorization.

56877688417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37199423.

The product of its digits is 126443520, while the sum is 67.

The spelling of 56877688417 in words is "fifty-six billion, eight hundred seventy-seven million, six hundred eighty-eight thousand, four hundred seventeen".