79262202457 has 2 divisors, whose sum is σ = 79262202458. Its totient is φ = 79262202456.

The previous prime is 79262202443. The next prime is 79262202463. The reversal of 79262202457 is 75420226297.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75693215376 + 3568987081 = 275124^2 + 59741^2 .

It is a cyclic number.

It is not a de Polignac number, because 79262202457 - 2⁷ = 79262202329 is a prime.

It is not a weakly prime, because it can be changed into another prime (79262202407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39631101228 + 39631101229.

It is an arithmetic number, because the mean of its divisors is an integer number (39631101229).

Almost surely, 2^79262202457 is an apocalyptic number.

It is an amenable number.

79262202457 is a deficient number, since it is larger than the sum of its proper divisors (1).

79262202457 is an equidigital number, since it uses as much as digits as its factorization.

79262202457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 79262202457 in words is "seventy-nine billion, two hundred sixty-two million, two hundred two thousand, four hundred fifty-seven".