7897228488 has 60 divisors (see below), whose sum is σ = 22125889995. Its totient is φ = 2631655440.

The previous prime is 7897228477. The next prime is 7897228523. The reversal of 7897228488 is 8848227987.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

7897228488 is a `hidden beast` number, since 7 + 89 + 72 + 2 + 8 + 488 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3948614244 + 3948614244 = 62838^2 + 62838^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=62838.

It is a super-2 number, since 2×7897228488² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 2260423 + ... + 2263913.

Almost surely, 2^7897228488 is an apocalyptic number.

It is an amenable number.

7897228488 is an abundant number, since it is smaller than the sum of its proper divisors (14228661507).

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

7897228488 is an frugal number, since it uses more digits than its factorization.

7897228488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7000 (or 3496 counting only the distinct ones).

The product of its digits is 28901376, while the sum is 63.

The square root of 7897228488 is about 88866.3518324005. The cubic root of 7897228488 is about 1991.3987697801.

The spelling of 7897228488 in words is "seven billion, eight hundred ninety-seven million, two hundred twenty-eight thousand, four hundred eighty-eight".