86726788607 has 8 divisors (see below), whose sum is σ = 89302405920. Its totient is φ = 84173091840.

The previous prime is 86726788591. The next prime is 86726788619. The reversal of 86726788607 is 70688762768.

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

It is not a de Polignac number, because 86726788607 - 2⁴ = 86726788591 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 (86726788667) 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, 5472107 + ... + 5487932.

It is an arithmetic number, because the mean of its divisors is an integer number (11162800740).

Almost surely, 2^86726788607 is an apocalyptic number.

86726788607 is a deficient number, since it is larger than the sum of its proper divisors (2575617313).

86726788607 is a wasteful number, since it uses less digits than its factorization.

86726788607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10960273.

The product of its (nonzero) digits is 75866112, while the sum is 65.

The spelling of 86726788607 in words is "eighty-six billion, seven hundred twenty-six million, seven hundred eighty-eight thousand, six hundred seven".