86920559709 has 16 divisors (see below), whose sum is σ = 116949254784. Its totient is φ = 57419712000.

The previous prime is 86920559699. The next prime is 86920559723. The reversal of 86920559709 is 90795502968.

It is a happy number.

It is not a de Polignac number, because 86920559709 - 2³³ = 78330625117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86920551709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1404009 + ... + 1464609.

It is an arithmetic number, because the mean of its divisors is an integer number (7309328424).

Almost surely, 2^86920559709 is an apocalyptic number.

It is an amenable number.

86920559709 is a deficient number, since it is larger than the sum of its proper divisors (30028695075).

86920559709 is a wasteful number, since it uses less digits than its factorization.

86920559709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64948.

The product of its (nonzero) digits is 12247200, while the sum is 60.

The spelling of 86920559709 in words is "eighty-six billion, nine hundred twenty million, five hundred fifty-nine thousand, seven hundred nine".