86767124720 has 40 divisors (see below), whose sum is σ = 203069577120. Its totient is φ = 34476998400.

The previous prime is 86767124701. The next prime is 86767124729. The reversal of 86767124720 is 2742176768.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×86767124720³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86767124729) 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, 3579275 + ... + 3603434.

It is an arithmetic number, because the mean of its divisors is an integer number (5076739428).

Almost surely, 2^86767124720 is an apocalyptic number.

86767124720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

86767124720 is an abundant number, since it is smaller than the sum of its proper divisors (116302452400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86767124720 is a wasteful number, since it uses less digits than its factorization.

86767124720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7182873 (or 7182867 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 50.

The spelling of 86767124720 in words is "eighty-six billion, seven hundred sixty-seven million, one hundred twenty-four thousand, seven hundred twenty".