7985897330 has 16 divisors (see below), whose sum is σ = 14870292120. Its totient is φ = 3084208512.

The previous prime is 7985897329. The next prime is 7985897347. The reversal of 7985897330 is 337985897.

It can be written as a sum of positive squares in 4 ways, for example, as 4434094921 + 3551802409 = 66589^2 + 59597^2 .

It is a super-2 number, since 2×7985897330² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7985897330.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13768499 + ... + 13769078.

Almost surely, 2^7985897330 is an apocalyptic number.

7985897330 is a deficient number, since it is larger than the sum of its proper divisors (6884394790).

7985897330 is a wasteful number, since it uses less digits than its factorization.

7985897330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27537613.

The product of its (nonzero) digits is 11430720, while the sum is 59.

The square root of 7985897330 is about 89363.8480035411. The cubic root of 7985897330 is about 1998.8240862489.

The spelling of 7985897330 in words is "seven billion, nine hundred eighty-five million, eight hundred ninety-seven thousand, three hundred thirty".