86613742 has 16 divisors (see below), whose sum is σ = 144804240. Its totient is φ = 38613888.

The previous prime is 86613733. The next prime is 86613743. The reversal of 86613742 is 24731668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86613743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66393 + ... + 67684.

It is an arithmetic number, because the mean of its divisors is an integer number (9050265).

Almost surely, 2^86613742 is an apocalyptic number.

86613742 is a deficient number, since it is larger than the sum of its proper divisors (58190498).

86613742 is a wasteful number, since it uses less digits than its factorization.

86613742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134115.

The product of its digits is 48384, while the sum is 37.

The square root of 86613742 is about 9306.6504178464. The cubic root of 86613742 is about 442.4480316043.

It can be divided in two parts, 8661 and 3742, that added together give a triangular number (12403 = T₁₅₇).

The spelling of 86613742 in words is "eighty-six million, six hundred thirteen thousand, seven hundred forty-two".