86880052765 has 24 divisors (see below), whose sum is σ = 116209586304. Its totient is φ = 62295525600.

The previous prime is 86880052711. The next prime is 86880052769. The reversal of 86880052765 is 56725008868.

It is a happy number.

It is not a de Polignac number, because 86880052765 - 2²⁷ = 86745835037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86880052769) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 968337 + ... + 1054246.

It is an arithmetic number, because the mean of its divisors is an integer number (4842066096).

Almost surely, 2^86880052765 is an apocalyptic number.

It is an amenable number.

86880052765 is a deficient number, since it is larger than the sum of its proper divisors (29329533539).

86880052765 is a wasteful number, since it uses less digits than its factorization.

86880052765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022681 (or 2022670 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 55.

The spelling of 86880052765 in words is "eighty-six billion, eight hundred eighty million, fifty-two thousand, seven hundred sixty-five".