86088779 has 8 divisors (see below), whose sum is σ = 98957280. Its totient is φ = 73362816.

The previous prime is 86088763. The next prime is 86088787. The reversal of 86088779 is 97788068.

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 86088779 - 2⁴ = 86088763 is a prime.

It is a super-2 number, since 2×86088779² = 14822555739421682, which contains 22 as substring.

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 86088779.

It is not an unprimeable number, because it can be changed into a prime (86088719) 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, 34334 + ... + 36755.

It is an arithmetic number, because the mean of its divisors is an integer number (12369660).

Almost surely, 2^86088779 is an apocalyptic number.

86088779 is a deficient number, since it is larger than the sum of its proper divisors (12868501).

86088779 is a wasteful number, since it uses less digits than its factorization.

86088779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71269.

The product of its (nonzero) digits is 1354752, while the sum is 53.

The square root of 86088779 is about 9278.4039036895. The cubic root of 86088779 is about 441.5523319726.

The spelling of 86088779 in words is "eighty-six million, eighty-eight thousand, seven hundred seventy-nine".