7745289825 has 48 divisors (see below), whose sum is σ = 15760685696. Its totient is φ = 3268339200.

The previous prime is 7745289793. The next prime is 7745289863. The reversal of 7745289825 is 5289825477.

It is not a de Polignac number, because 7745289825 - 2⁵ = 7745289793 is a prime.

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, 560596 + ... + 574245.

Almost surely, 2^7745289825 is an apocalyptic number.

7745289825 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7745289825 is an abundant number, since it is smaller than the sum of its proper divisors (8015395871).

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

7745289825 is a wasteful number, since it uses less digits than its factorization.

7745289825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134874 (or 1134869 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 57.

The square root of 7745289825 is about 88007.3282460046. The cubic root of 7745289825 is about 1978.5448125798.

The spelling of 7745289825 in words is "seven billion, seven hundred forty-five million, two hundred eighty-nine thousand, eight hundred twenty-five".