56178888907 has 2 divisors, whose sum is σ = 56178888908. Its totient is φ = 56178888906.

The previous prime is 56178888869. The next prime is 56178888929. The reversal of 56178888907 is 70988887165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56178888907 - 2¹¹ = 56178886859 is a prime.

It is not a weakly prime, because it can be changed into another prime (56178888307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28089444453 + 28089444454.

It is an arithmetic number, because the mean of its divisors is an integer number (28089444454).

Almost surely, 2^56178888907 is an apocalyptic number.

56178888907 is a deficient number, since it is larger than the sum of its proper divisors (1).

56178888907 is an equidigital number, since it uses as much as digits as its factorization.

56178888907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54190080, while the sum is 67.

The spelling of 56178888907 in words is "fifty-six billion, one hundred seventy-eight million, eight hundred eighty-eight thousand, nine hundred seven".