86447275 has 12 divisors (see below), whose sum is σ = 107673912. Its totient is φ = 68848640.

The previous prime is 86447269. The next prime is 86447279. The reversal of 86447275 is 57274468.

It is not a de Polignac number, because 86447275 - 2²³ = 78058667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86447279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1942 + ... + 13291.

It is an arithmetic number, because the mean of its divisors is an integer number (8972826).

Almost surely, 2^86447275 is an apocalyptic number.

86447275 is a deficient number, since it is larger than the sum of its proper divisors (21226637).

86447275 is a wasteful number, since it uses less digits than its factorization.

86447275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15470 (or 15465 counting only the distinct ones).

The product of its digits is 376320, while the sum is 43.

The square root of 86447275 is about 9297.7026732414. The cubic root of 86447275 is about 442.1643959635.

The spelling of 86447275 in words is "eighty-six million, four hundred forty-seven thousand, two hundred seventy-five".