86079999 has 8 divisors (see below), whose sum is σ = 116063280. Its totient is φ = 56741696.

The previous prime is 86079979. The next prime is 86080009. The reversal of 86079999 is 99997068.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86079999 - 2²⁰ = 85031423 is a prime.

86079999 is a modest number, since divided by 9999 gives 8607 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86079919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160932 + ... + 161465.

It is an arithmetic number, because the mean of its divisors is an integer number (14507910).

Almost surely, 2^86079999 is an apocalyptic number.

86079999 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

86079999 is a deficient number, since it is larger than the sum of its proper divisors (29983281).

86079999 is a wasteful number, since it uses less digits than its factorization.

86079999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322489.

The product of its (nonzero) digits is 2204496, while the sum is 57.

The square root of 86079999 is about 9277.9307499032. The cubic root of 86079999 is about 441.5373204875.

It can be divided in two parts, 86079 and 999, that added together give a palindrome (87078).

The spelling of 86079999 in words is "eighty-six million, seventy-nine thousand, nine hundred ninety-nine".