86028722399 has 4 divisors (see below), whose sum is σ = 86556506136. Its totient is φ = 85500938664.

The previous prime is 86028722371. The next prime is 86028722407. The reversal of 86028722399 is 99322782068.

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

It is a cyclic number.

It is not a de Polignac number, because 86028722399 - 2²⁴ = 86011945183 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 (86028722099) 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, 263891624 + ... + 263891949.

It is an arithmetic number, because the mean of its divisors is an integer number (21639126534).

Almost surely, 2^86028722399 is an apocalyptic number.

86028722399 is a deficient number, since it is larger than the sum of its proper divisors (527783737).

86028722399 is a wasteful number, since it uses less digits than its factorization.

86028722399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527783736.

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 86028722399 in words is "eighty-six billion, twenty-eight million, seven hundred twenty-two thousand, three hundred ninety-nine".