86429877643 has 4 divisors (see below), whose sum is σ = 88765820320. Its totient is φ = 84093934968.

The previous prime is 86429877637. The next prime is 86429877713. The reversal of 86429877643 is 34677892468.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86429877643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86429877623) 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, 1167971283 + ... + 1167971356.

It is an arithmetic number, because the mean of its divisors is an integer number (22191455080).

Almost surely, 2^86429877643 is an apocalyptic number.

86429877643 is a deficient number, since it is larger than the sum of its proper divisors (2335942677).

86429877643 is a wasteful number, since it uses less digits than its factorization.

86429877643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2335942676.

The product of its digits is 97542144, while the sum is 64.

The spelling of 86429877643 in words is "eighty-six billion, four hundred twenty-nine million, eight hundred seventy-seven thousand, six hundred forty-three".