715879861 has 8 divisors (see below), whose sum is σ = 720123264. Its totient is φ = 711648000.

The previous prime is 715879859. The next prime is 715879883. The reversal of 715879861 is 168978517.

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 715879861 - 2¹ = 715879859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 715879799 and 715879808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715879831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142356 + ... + 147298.

It is an arithmetic number, because the mean of its divisors is an integer number (90015408).

Almost surely, 2^715879861 is an apocalyptic number.

It is an amenable number.

715879861 is a deficient number, since it is larger than the sum of its proper divisors (4243403).

715879861 is a wasteful number, since it uses less digits than its factorization.

715879861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5771.

The product of its digits is 846720, while the sum is 52.

The square root of 715879861 is about 26755.9313237271. The cubic root of 715879861 is about 894.5680472331.

The spelling of 715879861 in words is "seven hundred fifteen million, eight hundred seventy-nine thousand, eight hundred sixty-one".