7897612580 has 384 divisors, whose sum is σ = 21946982400. Its totient is φ = 2341785600.

The previous prime is 7897612571. The next prime is 7897612609. The reversal of 7897612580 is 852167987.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 88737176 + ... + 88737264.

It is an arithmetic number, because the mean of its divisors is an integer number (57153600).

Almost surely, 2^7897612580 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 7897612580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10973491200).

7897612580 is an abundant number, since it is smaller than the sum of its proper divisors (14049369820).

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

7897612580 is a wasteful number, since it uses less digits than its factorization.

7897612580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 53.

The square root of 7897612580 is about 88868.5128715452. The cubic root of 7897612580 is about 1991.4310540149.

The spelling of 7897612580 in words is "seven billion, eight hundred ninety-seven million, six hundred twelve thousand, five hundred eighty".