56667900763 has 2 divisors, whose sum is σ = 56667900764. Its totient is φ = 56667900762.

The previous prime is 56667900701. The next prime is 56667900787. The reversal of 56667900763 is 36700976665.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56667900763 - 2⁹ = 56667900251 is a prime.

It is a super-2 number, since 2×56667900763² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56607900763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28333950381 + 28333950382.

It is an arithmetic number, because the mean of its divisors is an integer number (28333950382).

Almost surely, 2^56667900763 is an apocalyptic number.

56667900763 is a deficient number, since it is larger than the sum of its proper divisors (1).

56667900763 is an equidigital number, since it uses as much as digits as its factorization.

56667900763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8573040, while the sum is 55.

The spelling of 56667900763 in words is "fifty-six billion, six hundred sixty-seven million, nine hundred thousand, seven hundred sixty-three".