86439701 has 4 divisors (see below), whose sum is σ = 86957472. Its totient is φ = 85921932.

The previous prime is 86439697. The next prime is 86439709. The reversal of 86439701 is 10793468.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86439701 - 2² = 86439697 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86439709) 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, 258635 + ... + 258968.

It is an arithmetic number, because the mean of its divisors is an integer number (21739368).

Almost surely, 2^86439701 is an apocalyptic number.

It is an amenable number.

86439701 is a deficient number, since it is larger than the sum of its proper divisors (517771).

86439701 is a wasteful number, since it uses less digits than its factorization.

86439701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517770.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 86439701 is about 9297.2953594043. The cubic root of 86439701 is about 442.1514823081.

The spelling of 86439701 in words is "eighty-six million, four hundred thirty-nine thousand, seven hundred one".