86538536623715 has 32 divisors (see below), whose sum is σ = 115323048352512. Its totient is φ = 61809084144000.

The previous prime is 86538536623703. The next prime is 86538536623717. The reversal of 86538536623715 is 51732663583568.

It is a happy number.

It is not a de Polignac number, because 86538536623715 - 2⁴ = 86538536623699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86538536623717) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17900201 + ... + 22214730.

It is an arithmetic number, because the mean of its divisors is an integer number (3603845261016).

Almost surely, 2^{86538536623715} is an apocalyptic number.

86538536623715 is a deficient number, since it is larger than the sum of its proper divisors (28784511728797).

86538536623715 is a wasteful number, since it uses less digits than its factorization.

86538536623715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40115651.

The product of its digits is 653184000, while the sum is 68.

The spelling of 86538536623715 in words is "eighty-six trillion, five hundred thirty-eight billion, five hundred thirty-six million, six hundred twenty-three thousand, seven hundred fifteen".