86854379 has 4 divisors (see below), whose sum is σ = 86956584. Its totient is φ = 86752176.

The previous prime is 86854351. The next prime is 86854381. The reversal of 86854379 is 97345868.

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 86854379 - 2⁸ = 86854123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86854879) 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, 49817 + ... + 51530.

It is an arithmetic number, because the mean of its divisors is an integer number (21739146).

Almost surely, 2^86854379 is an apocalyptic number.

86854379 is a deficient number, since it is larger than the sum of its proper divisors (102205).

86854379 is a wasteful number, since it uses less digits than its factorization.

86854379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102204.

The product of its digits is 1451520, while the sum is 50.

The square root of 86854379 is about 9319.5696789069. The cubic root of 86854379 is about 442.8574005102.

The spelling of 86854379 in words is "eighty-six million, eight hundred fifty-four thousand, three hundred seventy-nine".