56842377771 has 16 divisors (see below), whose sum is σ = 77462313984. Its totient is φ = 37059928704.

The previous prime is 56842377769. The next prime is 56842377773. The reversal of 56842377771 is 17777324865.

56842377771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56842377769) and next prime (56842377773).

It is not a de Polignac number, because 56842377771 - 2¹ = 56842377769 is a prime.

It is a super-2 number, since 2×56842377771² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56842377773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27466 + ... + 338288.

It is an arithmetic number, because the mean of its divisors is an integer number (4841394624).

Almost surely, 2^56842377771 is an apocalyptic number.

56842377771 is a deficient number, since it is larger than the sum of its proper divisors (20619936213).

56842377771 is a wasteful number, since it uses less digits than its factorization.

56842377771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312170.

The product of its digits is 13829760, while the sum is 57.

The spelling of 56842377771 in words is "fifty-six billion, eight hundred forty-two million, three hundred seventy-seven thousand, seven hundred seventy-one".