7897208970 has 96 divisors (see below), whose sum is σ = 22066814016. Its totient is φ = 1803513600.

The previous prime is 7897208959. The next prime is 7897208983. The reversal of 7897208970 is 798027987.

It is a self number, because there is not a number n which added to its sum of digits gives 7897208970.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3131310 + ... + 3133830.

It is an arithmetic number, because the mean of its divisors is an integer number (229862646).

Almost surely, 2^7897208970 is an apocalyptic number.

7897208970 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 7897208970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11033407008).

7897208970 is an abundant number, since it is smaller than the sum of its proper divisors (14169605046).

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

7897208970 is a wasteful number, since it uses less digits than its factorization.

7897208970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4676 (or 4669 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 57.

The square root of 7897208970 is about 88866.2420157396. The cubic root of 7897208970 is about 1991.3971291981.

The spelling of 7897208970 in words is "seven billion, eight hundred ninety-seven million, two hundred eight thousand, nine hundred seventy".