971715216 has 20 divisors (see below), whose sum is σ = 2510264432. Its totient is φ = 323905056.

The previous prime is 971715193. The next prime is 971715229. The reversal of 971715216 is 612517179.

971715216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×971715216² = 1888460922011853312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10121986 + ... + 10122081.

Almost surely, 2^971715216 is an apocalyptic number.

It is an amenable number.

971715216 is an abundant number, since it is smaller than the sum of its proper divisors (1538549216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

971715216 is a wasteful number, since it uses less digits than its factorization.

971715216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20244078 (or 20244072 counting only the distinct ones).

The product of its digits is 26460, while the sum is 39.

The square root of 971715216 is about 31172.3469761261. The cubic root of 971715216 is about 990.4814228268.

The spelling of 971715216 in words is "nine hundred seventy-one million, seven hundred fifteen thousand, two hundred sixteen".