56097880778 has 16 divisors (see below), whose sum is σ = 87534756000. Its totient is φ = 26930435952.

The previous prime is 56097880777. The next prime is 56097880781. The reversal of 56097880778 is 87708879065.

It is not an unprimeable number, because it can be changed into a prime (56097880771) 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, 2691308 + ... + 2712071.

It is an arithmetic number, because the mean of its divisors is an integer number (5470922250).

Almost surely, 2^56097880778 is an apocalyptic number.

56097880778 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

56097880778 is a deficient number, since it is larger than the sum of its proper divisors (31436875222).

56097880778 is a wasteful number, since it uses less digits than its factorization.

56097880778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5403589.

The product of its (nonzero) digits is 47416320, while the sum is 65.

The spelling of 56097880778 in words is "fifty-six billion, ninety-seven million, eight hundred eighty thousand, seven hundred seventy-eight".