86979305 has 8 divisors (see below), whose sum is σ = 119285952. Its totient is φ = 59642928.

The previous prime is 86979301. The next prime is 86979311. The reversal of 86979305 is 50397968.

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 86979305 - 2² = 86979301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86979305.

It is not an unprimeable number, because it can be changed into a prime (86979301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1242527 + ... + 1242596.

It is an arithmetic number, because the mean of its divisors is an integer number (14910744).

Almost surely, 2^86979305 is an apocalyptic number.

It is an amenable number.

86979305 is a deficient number, since it is larger than the sum of its proper divisors (32306647).

86979305 is a wasteful number, since it uses less digits than its factorization.

86979305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485135.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 86979305 is about 9326.2696186632. The cubic root of 86979305 is about 443.0696250803.

The spelling of 86979305 in words is "eighty-six million, nine hundred seventy-nine thousand, three hundred five".