7893812925 has 18 divisors (see below), whose sum is σ = 14138696442. Its totient is φ = 4210033440.

The previous prime is 7893812923. The next prime is 7893812939. The reversal of 7893812925 is 5292183987.

It can be written as a sum of positive squares in 3 ways, for example, as 38713284 + 7855099641 = 6222^2 + 88629^2 .

It is not a de Polignac number, because 7893812925 - 2¹ = 7893812923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7893812923) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 17541582 + ... + 17542031.

Almost surely, 2^7893812925 is an apocalyptic number.

7893812925 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7893812925 is a deficient number, since it is larger than the sum of its proper divisors (6244883517).

7893812925 is a wasteful number, since it uses less digits than its factorization.

7893812925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35083629 (or 35083621 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 7893812925 is about 88847.1323397666. The cubic root of 7893812925 is about 1991.1116340763. Note that the first 3 decimals are identical.

The spelling of 7893812925 in words is "seven billion, eight hundred ninety-three million, eight hundred twelve thousand, nine hundred twenty-five".