79475604638867 has 2 divisors, whose sum is σ = 79475604638868. Its totient is φ = 79475604638866.

The previous prime is 79475604638849. The next prime is 79475604638891. The reversal of 79475604638867 is 76883640657497.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79475604638867 - 2²⁸ = 79475336203411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79475604638791 and 79475604638800.

It is not a weakly prime, because it can be changed into another prime (79475604638567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39737802319433 + 39737802319434.

It is an arithmetic number, because the mean of its divisors is an integer number (39737802319434).

Almost surely, 2^{79475604638867} is an apocalyptic number.

79475604638867 is a deficient number, since it is larger than the sum of its proper divisors (1).

79475604638867 is an equidigital number, since it uses as much as digits as its factorization.

79475604638867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10241925120, while the sum is 80.

The spelling of 79475604638867 in words is "seventy-nine trillion, four hundred seventy-five billion, six hundred four million, six hundred thirty-eight thousand, eight hundred sixty-seven".