715857379 has 8 divisors (see below), whose sum is σ = 732832272. Its totient is φ = 699011040.

The previous prime is 715857377. The next prime is 715857383. The reversal of 715857379 is 973758517.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 715857379 - 2¹ = 715857377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (715857377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20824 + ... + 43189.

It is an arithmetic number, because the mean of its divisors is an integer number (91604034).

Almost surely, 2^715857379 is an apocalyptic number.

715857379 is a deficient number, since it is larger than the sum of its proper divisors (16974893).

715857379 is a wasteful number, since it uses less digits than its factorization.

715857379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64277.

The product of its digits is 1852200, while the sum is 52.

The square root of 715857379 is about 26755.5111892858. The cubic root of 715857379 is about 894.5586825848.

The spelling of 715857379 in words is "seven hundred fifteen million, eight hundred fifty-seven thousand, three hundred seventy-nine".