715666885 has 16 divisors (see below), whose sum is σ = 878625792. Its totient is φ = 559360000.

The previous prime is 715666871. The next prime is 715666909. The reversal of 715666885 is 588666517.

It is not a de Polignac number, because 715666885 - 2⁹ = 715666373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148260 + ... + 153010.

It is an arithmetic number, because the mean of its divisors is an integer number (54914112).

Almost surely, 2^715666885 is an apocalyptic number.

It is an amenable number.

715666885 is a deficient number, since it is larger than the sum of its proper divisors (162958907).

715666885 is a wasteful number, since it uses less digits than its factorization.

715666885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5444.

The product of its digits is 2419200, while the sum is 52.

The square root of 715666885 is about 26751.9510503440. The cubic root of 715666885 is about 894.4793263776.

The spelling of 715666885 in words is "seven hundred fifteen million, six hundred sixty-six thousand, eight hundred eighty-five".