86847425 has 24 divisors (see below), whose sum is σ = 128432256. Its totient is φ = 56960640.

The previous prime is 86847421. The next prime is 86847427. The reversal of 86847425 is 52474868.

It is not a de Polignac number, because 86847425 - 2² = 86847421 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86847421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6764 + ... + 14813.

It is an arithmetic number, because the mean of its divisors is an integer number (5351344).

Almost surely, 2^86847425 is an apocalyptic number.

It is an amenable number.

86847425 is a deficient number, since it is larger than the sum of its proper divisors (41584831).

86847425 is a wasteful number, since it uses less digits than its factorization.

86847425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21617 (or 21612 counting only the distinct ones).

The product of its digits is 430080, while the sum is 44.

The square root of 86847425 is about 9319.1965855432. The cubic root of 86847425 is about 442.8455810618.

The spelling of 86847425 in words is "eighty-six million, eight hundred forty-seven thousand, four hundred twenty-five".