86766724 has 48 divisors (see below), whose sum is σ = 174726720. Its totient is φ = 37331840.

The previous prime is 86766721. The next prime is 86766761. The reversal of 86766724 is 42766768.

It is not an unprimeable number, because it can be changed into a prime (86766721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66987 + ... + 68269.

It is an arithmetic number, because the mean of its divisors is an integer number (3640140).

Almost surely, 2^86766724 is an apocalyptic number.

It is an amenable number.

86766724 is an abundant number, since it is smaller than the sum of its proper divisors (87959996).

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

86766724 is a wasteful number, since it uses less digits than its factorization.

86766724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380 (or 1378 counting only the distinct ones).

The product of its digits is 677376, while the sum is 46.

The square root of 86766724 is about 9314.8657531926. The cubic root of 86766724 is about 442.7083704822.

It can be divided in two parts, 8676 and 6724, that added together give a triangular number (15400 = T₁₇₅).

The spelling of 86766724 in words is "eighty-six million, seven hundred sixty-six thousand, seven hundred twenty-four".