86044657 has 4 divisors (see below), whose sum is σ = 86089456. Its totient is φ = 85999860.

The previous prime is 86044643. The next prime is 86044661. The reversal of 86044657 is 75644068.

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 a de Polignac number, because none of the positive numbers 2^k-86044657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86044697) 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, 19383 + ... + 23404.

It is an arithmetic number, because the mean of its divisors is an integer number (21522364).

Almost surely, 2^86044657 is an apocalyptic number.

It is an amenable number.

86044657 is a deficient number, since it is larger than the sum of its proper divisors (44799).

86044657 is a wasteful number, since it uses less digits than its factorization.

86044657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44798.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 86044657 is about 9276.0259270875. The cubic root of 86044657 is about 441.4768846592.

The spelling of 86044657 in words is "eighty-six million, forty-four thousand, six hundred fifty-seven".