86180746 has 8 divisors (see below), whose sum is σ = 129464100. Its totient is φ = 43026048.

The previous prime is 86180737. The next prime is 86180749. The reversal of 86180746 is 64708168.

It can be written as a sum of positive squares in 2 ways, for example, as 82901025 + 3279721 = 9105^2 + 1811^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×86180746² = 14854241962233032, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86180699 and 86180708.

It is not an unprimeable number, because it can be changed into a prime (86180749) 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, 30471 + ... + 33178.

Almost surely, 2^86180746 is an apocalyptic number.

86180746 is a deficient number, since it is larger than the sum of its proper divisors (43283354).

86180746 is a wasteful number, since it uses less digits than its factorization.

86180746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64328.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 86180746 is about 9283.3585517312. The cubic root of 86180746 is about 441.7095099929.

The spelling of 86180746 in words is "eighty-six million, one hundred eighty thousand, seven hundred forty-six".