86435825 has 12 divisors (see below), whose sum is σ = 122492160. Its totient is φ = 59270160.

The previous prime is 86435813. The next prime is 86435851. The reversal of 86435825 is 52853468.

It is not a de Polignac number, because 86435825 - 2⁴ = 86435809 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 246785 + ... + 247134.

It is an arithmetic number, because the mean of its divisors is an integer number (10207680).

Almost surely, 2^86435825 is an apocalyptic number.

It is an amenable number.

86435825 is a deficient number, since it is larger than the sum of its proper divisors (36056335).

86435825 is a wasteful number, since it uses less digits than its factorization.

86435825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493936 (or 493931 counting only the distinct ones).

The product of its digits is 230400, while the sum is 41.

The square root of 86435825 is about 9297.0869093496. The cubic root of 86435825 is about 442.1448734439.

The spelling of 86435825 in words is "eighty-six million, four hundred thirty-five thousand, eight hundred twenty-five".