7825325805 has 48 divisors (see below), whose sum is σ = 15157920960. Its totient is φ = 3701548800.

The previous prime is 7825325797. The next prime is 7825325839. The reversal of 7825325805 is 5085235287.

It is not a de Polignac number, because 7825325805 - 2³ = 7825325797 is a prime.

It is a super-2 number, since 2×7825325805² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 172495 + ... + 213084.

It is an arithmetic number, because the mean of its divisors is an integer number (315790020).

Almost surely, 2^7825325805 is an apocalyptic number.

It is an amenable number.

7825325805 is a deficient number, since it is larger than the sum of its proper divisors (7332595155).

7825325805 is a wasteful number, since it uses less digits than its factorization.

7825325805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385642 (or 385639 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The square root of 7825325805 is about 88460.8716043427. The cubic root of 7825325805 is about 1985.3365717589.

The spelling of 7825325805 in words is "seven billion, eight hundred twenty-five million, three hundred twenty-five thousand, eight hundred five".