264020400079 has 2 divisors, whose sum is σ = 264020400080. Its totient is φ = 264020400078.

The previous prime is 264020400011. The next prime is 264020400103. The reversal of 264020400079 is 970004020462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 264020400079 - 2²⁹ = 263483529167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264020400179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132010200039 + 132010200040.

It is an arithmetic number, because the mean of its divisors is an integer number (132010200040).

Almost surely, 2^264020400079 is an apocalyptic number.

264020400079 is a deficient number, since it is larger than the sum of its proper divisors (1).

264020400079 is an equidigital number, since it uses as much as digits as its factorization.

264020400079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 264020400079 in words is "two hundred sixty-four billion, twenty million, four hundred thousand, seventy-nine".