86013500 has 24 divisors (see below), whose sum is σ = 187854576. Its totient is φ = 34405200.

The previous prime is 86013497. The next prime is 86013509. The reversal of 86013500 is 531068.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86013509) 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, 85514 + ... + 86513.

It is an arithmetic number, because the mean of its divisors is an integer number (7827274).

Almost surely, 2^86013500 is an apocalyptic number.

It is an amenable number.

86013500 is an abundant number, since it is smaller than the sum of its proper divisors (101841076).

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

86013500 is a wasteful number, since it uses less digits than its factorization.

86013500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172046 (or 172034 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 86013500 is about 9274.3463381524. The cubic root of 86013500 is about 441.4235915734.

Adding to 86013500 its reverse (531068), we get a palindrome (86544568).

The spelling of 86013500 in words is "eighty-six million, thirteen thousand, five hundred".