86878361 has 8 divisors (see below), whose sum is σ = 89073600. Its totient is φ = 84691152.

The previous prime is 86878343. The next prime is 86878367. The reversal of 86878361 is 16387868.

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 86878361 - 2¹⁸ = 86616217 is a prime.

It is a super-2 number, since 2×86878361² = 15095699220092642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86878367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24071 + ... + 27443.

It is an arithmetic number, because the mean of its divisors is an integer number (11134200).

Almost surely, 2^86878361 is an apocalyptic number.

It is an amenable number.

86878361 is a deficient number, since it is larger than the sum of its proper divisors (2195239).

86878361 is a wasteful number, since it uses less digits than its factorization.

86878361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4015.

The product of its digits is 387072, while the sum is 47.

The square root of 86878361 is about 9320.8562374923. The cubic root of 86878361 is about 442.8981569616.

The spelling of 86878361 in words is "eighty-six million, eight hundred seventy-eight thousand, three hundred sixty-one".