86142464 has 20 divisors (see below), whose sum is σ = 172117704. Its totient is φ = 43070976.

The previous prime is 86142461. The next prime is 86142467. The reversal of 86142464 is 46424168.

It is an interprime number because it is at equal distance from previous prime (86142461) and next prime (86142467).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86142461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83612 + ... + 84635.

Almost surely, 2^86142464 is an apocalyptic number.

It is an amenable number.

86142464 is a deficient number, since it is larger than the sum of its proper divisors (85975240).

86142464 is an equidigital number, since it uses as much as digits as its factorization.

86142464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168265 (or 168249 counting only the distinct ones).

The product of its digits is 36864, while the sum is 35.

The square root of 86142464 is about 9281.2964611632. The cubic root of 86142464 is about 441.6440969757.

The spelling of 86142464 in words is "eighty-six million, one hundred forty-two thousand, four hundred sixty-four".