86458860829 has 4 divisors (see below), whose sum is σ = 94318757280. Its totient is φ = 78598964380.

The previous prime is 86458860811. The next prime is 86458860847. The reversal of 86458860829 is 92806885468.

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 an interprime number because it is at equal distance from previous prime (86458860811) and next prime (86458860847).

It is a cyclic number.

It is not a de Polignac number, because 86458860829 - 2⁷ = 86458860701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86458870829) 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, 3929948209 + ... + 3929948230.

It is an arithmetic number, because the mean of its divisors is an integer number (23579689320).

Almost surely, 2^86458860829 is an apocalyptic number.

It is an amenable number.

86458860829 is a deficient number, since it is larger than the sum of its proper divisors (7859896451).

86458860829 is a wasteful number, since it uses less digits than its factorization.

86458860829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7859896450.

The product of its (nonzero) digits is 53084160, while the sum is 64.

The spelling of 86458860829 in words is "eighty-six billion, four hundred fifty-eight million, eight hundred sixty thousand, eight hundred twenty-nine".