86237612506 has 8 divisors (see below), whose sum is σ = 129358682100. Its totient is φ = 43118051808.

The previous prime is 86237612501. The next prime is 86237612521. The reversal of 86237612506 is 60521673268.

It can be written as a sum of positive squares in 2 ways, for example, as 81621633025 + 4615979481 = 285695^2 + 67941^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (86237612501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221481 + ... + 470668.

Almost surely, 2^86237612506 is an apocalyptic number.

86237612506 is a deficient number, since it is larger than the sum of its proper divisors (43121069594).

86237612506 is a wasteful number, since it uses less digits than its factorization.

86237612506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754448.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 86237612506 in words is "eighty-six billion, two hundred thirty-seven million, six hundred twelve thousand, five hundred six".