86940083135615 has 24 divisors (see below), whose sum is σ = 105168489042240. Its totient is φ = 68996249437248.

The previous prime is 86940083135603. The next prime is 86940083135669. The reversal of 86940083135615 is 51653138004968.

It is a happy number.

It is not a de Polignac number, because 86940083135615 - 2⁶ = 86940083135551 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 734052221 + ... + 734170649.

It is an arithmetic number, because the mean of its divisors is an integer number (4382020376760).

Almost surely, 2^{86940083135615} is an apocalyptic number.

86940083135615 is a deficient number, since it is larger than the sum of its proper divisors (18228405906625).

86940083135615 is a wasteful number, since it uses less digits than its factorization.

86940083135615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127791 (or 127664 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 59.

The spelling of 86940083135615 in words is "eighty-six trillion, nine hundred forty billion, eighty-three million, one hundred thirty-five thousand, six hundred fifteen".