56378422779 has 32 divisors (see below), whose sum is σ = 91114834944. Its totient is φ = 30310346880.

The previous prime is 56378422757. The next prime is 56378422781. The reversal of 56378422779 is 97722487365.

It is a happy number.

It is not a de Polignac number, because 56378422779 - 2²⁴ = 56361645563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56378422679) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 927304 + ... + 986229.

It is an arithmetic number, because the mean of its divisors is an integer number (2847338592).

Almost surely, 2^56378422779 is an apocalyptic number.

56378422779 is a deficient number, since it is larger than the sum of its proper divisors (34736412165).

56378422779 is a wasteful number, since it uses less digits than its factorization.

56378422779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913627.

The product of its digits is 35562240, while the sum is 60.

The spelling of 56378422779 in words is "fifty-six billion, three hundred seventy-eight million, four hundred twenty-two thousand, seven hundred seventy-nine".