86918867 has 8 divisors (see below), whose sum is σ = 101646336. Its totient is φ = 72769032.

The previous prime is 86918857. The next prime is 86918869. The reversal of 86918867 is 76881968.

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

It is not a de Polignac number, because 86918867 - 2¹⁶ = 86853331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86918869) 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, 144083 + ... + 144684.

It is an arithmetic number, because the mean of its divisors is an integer number (12705792).

Almost surely, 2^86918867 is an apocalyptic number.

86918867 is a deficient number, since it is larger than the sum of its proper divisors (14727469).

86918867 is a wasteful number, since it uses less digits than its factorization.

86918867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288817.

The product of its digits is 1161216, while the sum is 53.

The square root of 86918867 is about 9323.0288533287. The cubic root of 86918867 is about 442.9669782621.

The spelling of 86918867 in words is "eighty-six million, nine hundred eighteen thousand, eight hundred sixty-seven".