85988425 has 6 divisors (see below), whose sum is σ = 106625678. Its totient is φ = 68790720.

The previous prime is 85988411. The next prime is 85988453. The reversal of 85988425 is 52488958.

It can be written as a sum of positive squares in 3 ways, for example, as 24710841 + 61277584 = 4971^2 + 7828^2 .

It is not a de Polignac number, because 85988425 - 2¹⁵ = 85955657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1719744 + ... + 1719793.

Almost surely, 2^85988425 is an apocalyptic number.

It is an amenable number.

85988425 is a deficient number, since it is larger than the sum of its proper divisors (20637253).

85988425 is a wasteful number, since it uses less digits than its factorization.

85988425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3439547 (or 3439542 counting only the distinct ones).

The product of its digits is 921600, while the sum is 49.

The square root of 85988425 is about 9272.9943923201. The cubic root of 85988425 is about 441.3806922133.

The spelling of 85988425 in words is "eighty-five million, nine hundred eighty-eight thousand, four hundred twenty-five".