86129744 has 20 divisors (see below), whose sum is σ = 167248224. Its totient is φ = 42968928.

The previous prime is 86129741. The next prime is 86129753. The reversal of 86129744 is 44792168.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86129741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1709 + ... + 13235.

Almost surely, 2^86129744 is an apocalyptic number.

It is an amenable number.

86129744 is a deficient number, since it is larger than the sum of its proper divisors (81118480).

86129744 is a wasteful number, since it uses less digits than its factorization.

86129744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12002 (or 11996 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 86129744 is about 9280.6111867700. The cubic root of 86129744 is about 441.6223578350.

The spelling of 86129744 in words is "eighty-six million, one hundred twenty-nine thousand, seven hundred forty-four".