56776227172607 has 2 divisors, whose sum is σ = 56776227172608. Its totient is φ = 56776227172606.

The previous prime is 56776227172519. The next prime is 56776227172633. The reversal of 56776227172607 is 70627172267765.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56776227172607 - 2¹² = 56776227168511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56776227172207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28388113586303 + 28388113586304.

It is an arithmetic number, because the mean of its divisors is an integer number (28388113586304).

Almost surely, 2^{56776227172607} is an apocalyptic number.

56776227172607 is a deficient number, since it is larger than the sum of its proper divisors (1).

56776227172607 is an equidigital number, since it uses as much as digits as its factorization.

56776227172607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145212480, while the sum is 65.

The spelling of 56776227172607 in words is "fifty-six trillion, seven hundred seventy-six billion, two hundred twenty-seven million, one hundred seventy-two thousand, six hundred seven".