916971715 has 16 divisors (see below), whose sum is σ = 1218320640. Its totient is φ = 656932320.

The previous prime is 916971707. The next prime is 916971719. The reversal of 916971715 is 517179619.

It is not a de Polignac number, because 916971715 - 2³ = 916971707 is a prime.

It is a super-2 number, since 2×916971715² = 1681674252220082450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (916971719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120735 + ... + 128104.

It is an arithmetic number, because the mean of its divisors is an integer number (76145040).

Almost surely, 2^916971715 is an apocalyptic number.

916971715 is a deficient number, since it is larger than the sum of its proper divisors (301348925).

916971715 is a wasteful number, since it uses less digits than its factorization.

916971715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248922.

The product of its digits is 119070, while the sum is 46.

The square root of 916971715 is about 30281.5408293568. The cubic root of 916971715 is about 971.5205241729.

The spelling of 916971715 in words is "nine hundred sixteen million, nine hundred seventy-one thousand, seven hundred fifteen".