8425942585 has 8 divisors (see below), whose sum is σ = 10122934536. Its totient is φ = 6732885120.

The previous prime is 8425942541. The next prime is 8425942601. The reversal of 8425942585 is 5852495248.

It can be written as a sum of positive squares in 4 ways, for example, as 3276875536 + 5149067049 = 57244^2 + 71757^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-8425942585 is a prime.

It is a Duffinian number.

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, 978906 + ... + 987475.

It is an arithmetic number, because the mean of its divisors is an integer number (1265366817).

Almost surely, 2^8425942585 is an apocalyptic number.

It is an amenable number.

8425942585 is a deficient number, since it is larger than the sum of its proper divisors (1696991951).

8425942585 is a wasteful number, since it uses less digits than its factorization.

8425942585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967243.

The product of its digits is 4608000, while the sum is 52.

The square root of 8425942585 is about 91792.9331974962. The cubic root of 8425942585 is about 2034.8832573129.

The spelling of 8425942585 in words is "eight billion, four hundred twenty-five million, nine hundred forty-two thousand, five hundred eighty-five".