86980952623599 has 48 divisors (see below), whose sum is σ = 133167938641920. Its totient is φ = 56720415719520.

The previous prime is 86980952623583. The next prime is 86980952623603. The reversal of 86980952623599 is 99532625908968.

86980952623599 is a `hidden beast` number, since 8 + 6 + 9 + 80 + 9 + 526 + 2 + 3 + 5 + 9 + 9 = 666.

It is not a de Polignac number, because 86980952623599 - 2⁴ = 86980952623583 is a prime.

It is a super-2 number, since 2×86980952623599² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86980952623529) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17657284 + ... + 22039545.

It is an arithmetic number, because the mean of its divisors is an integer number (2774332055040).

Almost surely, 2^{86980952623599} is an apocalyptic number.

86980952623599 is a deficient number, since it is larger than the sum of its proper divisors (46186986018321).

86980952623599 is a wasteful number, since it uses less digits than its factorization.

86980952623599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39697042 (or 39697030 counting only the distinct ones).

The product of its (nonzero) digits is 4534963200, while the sum is 81.

The spelling of 86980952623599 in words is "eighty-six trillion, nine hundred eighty billion, nine hundred fifty-two million, six hundred twenty-three thousand, five hundred ninety-nine".