747647655863 has 2 divisors, whose sum is σ = 747647655864. Its totient is φ = 747647655862.

The previous prime is 747647655817. The next prime is 747647655869. The reversal of 747647655863 is 368556746747.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 747647655863 - 2²⁸ = 747379220407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 747647655793 and 747647655802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (747647655869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373823827931 + 373823827932.

It is an arithmetic number, because the mean of its divisors is an integer number (373823827932).

Almost surely, 2^747647655863 is an apocalyptic number.

747647655863 is a deficient number, since it is larger than the sum of its proper divisors (1).

747647655863 is an equidigital number, since it uses as much as digits as its factorization.

747647655863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 711244800, while the sum is 68.

The spelling of 747647655863 in words is "seven hundred forty-seven billion, six hundred forty-seven million, six hundred fifty-five thousand, eight hundred sixty-three".