86057789 has 8 divisors (see below), whose sum is σ = 90625920. Its totient is φ = 81558576.

The previous prime is 86057779. The next prime is 86057801. The reversal of 86057789 is 98775068.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 86057789 - 2⁴ = 86057773 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 (86057759) 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, 14657 + ... + 19670.

It is an arithmetic number, because the mean of its divisors is an integer number (11328240).

Almost surely, 2^86057789 is an apocalyptic number.

It is an amenable number.

86057789 is a deficient number, since it is larger than the sum of its proper divisors (4568131).

86057789 is a wasteful number, since it uses less digits than its factorization.

86057789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34459.

The product of its (nonzero) digits is 846720, while the sum is 50.

The square root of 86057789 is about 9276.7337463139. The cubic root of 86057789 is about 441.4993426857.

The spelling of 86057789 in words is "eighty-six million, fifty-seven thousand, seven hundred eighty-nine".