86164402 has 8 divisors (see below), whose sum is σ = 129546396. Its totient is φ = 42982272.

The previous prime is 86164387. The next prime is 86164409. The reversal of 86164402 is 20446168.

It can be written as a sum of positive squares in 2 ways, for example, as 83338641 + 2825761 = 9129^2 + 1681^2 .

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

It is not an unprimeable number, because it can be changed into a prime (86164409) 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, 48883 + ... + 50614.

Almost surely, 2^86164402 is an apocalyptic number.

86164402 is a deficient number, since it is larger than the sum of its proper divisors (43381994).

86164402 is a wasteful number, since it uses less digits than its factorization.

86164402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99932.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 86164402 is about 9282.4782251293. The cubic root of 86164402 is about 441.6815851296.

The spelling of 86164402 in words is "eighty-six million, one hundred sixty-four thousand, four hundred two".