86227879 has 4 divisors (see below), whose sum is σ = 88331040. Its totient is φ = 84124720.

The previous prime is 86227877. The next prime is 86227913. The reversal of 86227879 is 97872268.

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 86227879 - 2¹ = 86227877 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 (86227877) 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, 1051519 + ... + 1051600.

It is an arithmetic number, because the mean of its divisors is an integer number (22082760).

Almost surely, 2^86227879 is an apocalyptic number.

86227879 is a deficient number, since it is larger than the sum of its proper divisors (2103161).

86227879 is a wasteful number, since it uses less digits than its factorization.

86227879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103160.

The product of its digits is 677376, while the sum is 49.

The square root of 86227879 is about 9285.8967795254. The cubic root of 86227879 is about 441.7900202424.

The spelling of 86227879 in words is "eighty-six million, two hundred twenty-seven thousand, eight hundred seventy-nine".