315772825399 has 2 divisors, whose sum is σ = 315772825400. Its totient is φ = 315772825398.

The previous prime is 315772825387. The next prime is 315772825409. The reversal of 315772825399 is 993528277513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315772825399 - 2¹¹ = 315772823351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315772825339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157886412699 + 157886412700.

It is an arithmetic number, because the mean of its divisors is an integer number (157886412700).

Almost surely, 2^315772825399 is an apocalyptic number.

315772825399 is a deficient number, since it is larger than the sum of its proper divisors (1).

315772825399 is an equidigital number, since it uses as much as digits as its factorization.

315772825399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28576800, while the sum is 61.

The spelling of 315772825399 in words is "three hundred fifteen billion, seven hundred seventy-two million, eight hundred twenty-five thousand, three hundred ninety-nine".