971655080 has 64 divisors (see below), whose sum is σ = 2391353280. Its totient is φ = 352384000.

The previous prime is 971655073. The next prime is 971655089. The reversal of 971655080 is 80556179.

It is a super-2 number, since 2×971655080² = 1888227188979612800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (971655089) 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, 173687 + ... + 179193.

It is an arithmetic number, because the mean of its divisors is an integer number (37364895).

Almost surely, 2^971655080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 971655080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1195676640).

971655080 is an abundant number, since it is smaller than the sum of its proper divisors (1419698200).

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

971655080 is a wasteful number, since it uses less digits than its factorization.

971655080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5930 (or 5926 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 971655080 is about 31171.3823883382. The cubic root of 971655080 is about 990.4609899473.

The spelling of 971655080 in words is "nine hundred seventy-one million, six hundred fifty-five thousand, eighty".