86381475 has 12 divisors (see below), whose sum is σ = 142817496. Its totient is φ = 46070080.

The previous prime is 86381473. The next prime is 86381479. The reversal of 86381475 is 57418368.

It is not a de Polignac number, because 86381475 - 2¹ = 86381473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86381473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 575802 + ... + 575951.

It is an arithmetic number, because the mean of its divisors is an integer number (11901458).

Almost surely, 2^86381475 is an apocalyptic number.

86381475 is a deficient number, since it is larger than the sum of its proper divisors (56436021).

86381475 is a wasteful number, since it uses less digits than its factorization.

86381475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151766 (or 1151761 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 86381475 is about 9294.1634911379. The cubic root of 86381475 is about 442.0521818916.

The spelling of 86381475 in words is "eighty-six million, three hundred eighty-one thousand, four hundred seventy-five".