86436670 has 16 divisors (see below), whose sum is σ = 164738448. Its totient is φ = 32540800.

The previous prime is 86436641. The next prime is 86436671. The reversal of 86436670 is 7663468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86436671) 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, 254056 + ... + 254395.

It is an arithmetic number, because the mean of its divisors is an integer number (10296153).

Almost surely, 2^86436670 is an apocalyptic number.

86436670 is a deficient number, since it is larger than the sum of its proper divisors (78301778).

86436670 is a wasteful number, since it uses less digits than its factorization.

86436670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508475.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 86436670 is about 9297.1323535809. The cubic root of 86436670 is about 442.1463142477.

The spelling of 86436670 in words is "eighty-six million, four hundred thirty-six thousand, six hundred seventy".