86934493829 has 4 divisors (see below), whose sum is σ = 87217668384. Its totient is φ = 86651319276.

The previous prime is 86934493819. The next prime is 86934493831. The reversal of 86934493829 is 92839443968.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86934493829 - 2¹⁶ = 86934428293 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 (86934493819) 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, 141586817 + ... + 141587430.

It is an arithmetic number, because the mean of its divisors is an integer number (21804417096).

Almost surely, 2^86934493829 is an apocalyptic number.

It is an amenable number.

86934493829 is a deficient number, since it is larger than the sum of its proper divisors (283174555).

86934493829 is a wasteful number, since it uses less digits than its factorization.

86934493829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283174554.

The product of its digits is 80621568, while the sum is 65.

The spelling of 86934493829 in words is "eighty-six billion, nine hundred thirty-four million, four hundred ninety-three thousand, eight hundred twenty-nine".