86502740 has 12 divisors (see below), whose sum is σ = 181655796. Its totient is φ = 34601088.

The previous prime is 86502733. The next prime is 86502751. The reversal of 86502740 is 4720568.

It can be written as a sum of positive squares in 2 ways, for example, as 56010256 + 30492484 = 7484^2 + 5522^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 86502697 and 86502706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2162549 + ... + 2162588.

It is an arithmetic number, because the mean of its divisors is an integer number (15137983).

Almost surely, 2^86502740 is an apocalyptic number.

It is an amenable number.

86502740 is an abundant number, since it is smaller than the sum of its proper divisors (95153056).

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

86502740 is a wasteful number, since it uses less digits than its factorization.

86502740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4325146 (or 4325144 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 86502740 is about 9300.6849210152. The cubic root of 86502740 is about 442.2589407021.

The spelling of 86502740 in words is "eighty-six million, five hundred two thousand, seven hundred forty".