86433635312639 has 16 divisors (see below), whose sum is σ = 88207396236960. Its totient is φ = 84677632035840.

The previous prime is 86433635312627. The next prime is 86433635312671. The reversal of 86433635312639 is 93621353633468.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86433635312639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86433635312239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 528824 + ... + 13158530.

It is an arithmetic number, because the mean of its divisors is an integer number (5512962264810).

Almost surely, 2^{86433635312639} is an apocalyptic number.

86433635312639 is a deficient number, since it is larger than the sum of its proper divisors (1773760924321).

86433635312639 is a wasteful number, since it uses less digits than its factorization.

86433635312639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12630410.

The product of its digits is 151165440, while the sum is 62.

The spelling of 86433635312639 in words is "eighty-six trillion, four hundred thirty-three billion, six hundred thirty-five million, three hundred twelve thousand, six hundred thirty-nine".