971568422472 has 64 divisors (see below), whose sum is σ = 2490843700800. Its totient is φ = 315616808960.

The previous prime is 971568422453. The next prime is 971568422491. The reversal of 971568422472 is 274224865179.

It is an interprime number because it is at equal distance from previous prime (971568422453) and next prime (971568422491).

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, 382723 + ... + 1445549.

It is an arithmetic number, because the mean of its divisors is an integer number (38919432825).

Almost surely, 2^971568422472 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 971568422472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1245421850400).

971568422472 is an abundant number, since it is smaller than the sum of its proper divisors (1519275278328).

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

971568422472 is a wasteful number, since it uses less digits than its factorization.

971568422472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063806 (or 1063802 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 57.

The spelling of 971568422472 in words is "nine hundred seventy-one billion, five hundred sixty-eight million, four hundred twenty-two thousand, four hundred seventy-two".