7985415250 has 32 divisors (see below), whose sum is σ = 15153508656. Its totient is φ = 3150403200.

The previous prime is 7985415211. The next prime is 7985415257. The reversal of 7985415250 is 525145897.

It can be written as a sum of positive squares in 8 ways, for example, as 3243601 + 7982171649 = 1801^2 + 89343^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7985415250.

It is not an unprimeable number, because it can be changed into a prime (7985415257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200529 + ... + 237028.

Almost surely, 2^7985415250 is an apocalyptic number.

7985415250 is a deficient number, since it is larger than the sum of its proper divisors (7168093406).

7985415250 is a wasteful number, since it uses less digits than its factorization.

7985415250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437647 (or 437637 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 46.

The square root of 7985415250 is about 89361.1506752235. The cubic root of 7985415250 is about 1998.7838648242.

The spelling of 7985415250 in words is "seven billion, nine hundred eighty-five million, four hundred fifteen thousand, two hundred fifty".