86945555 has 8 divisors (see below), whose sum is σ = 105764352. Its totient is φ = 68603328.

The previous prime is 86945549. The next prime is 86945563. The reversal of 86945555 is 55554968.

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 86945555 - 2¹⁸ = 86683411 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118739 + ... + 119468.

It is an arithmetic number, because the mean of its divisors is an integer number (13220544).

Almost surely, 2^86945555 is an apocalyptic number.

86945555 is a deficient number, since it is larger than the sum of its proper divisors (18818797).

86945555 is a wasteful number, since it uses less digits than its factorization.

86945555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238285.

The product of its digits is 1080000, while the sum is 47.

The square root of 86945555 is about 9324.4600379861. The cubic root of 86945555 is about 443.0123105487.

The spelling of 86945555 in words is "eighty-six million, nine hundred forty-five thousand, five hundred fifty-five".