86425985 has 16 divisors (see below), whose sum is σ = 107550720. Its totient is φ = 66601920.

The previous prime is 86425981. The next prime is 86426017. The reversal of 86425985 is 58952468.

It is not a de Polignac number, because 86425985 - 2² = 86425981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86425981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35879 + ... + 38211.

It is an arithmetic number, because the mean of its divisors is an integer number (6721920).

Almost surely, 2^86425985 is an apocalyptic number.

It is an amenable number.

86425985 is a deficient number, since it is larger than the sum of its proper divisors (21124735).

86425985 is a wasteful number, since it uses less digits than its factorization.

86425985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608.

The product of its digits is 691200, while the sum is 47.

The square root of 86425985 is about 9296.5576962659. The cubic root of 86425985 is about 442.1280946346.

The spelling of 86425985 in words is "eighty-six million, four hundred twenty-five thousand, nine hundred eighty-five".