86837889 has 8 divisors (see below), whose sum is σ = 115978912. Its totient is φ = 57794400.

The previous prime is 86837873. The next prime is 86837893. The reversal of 86837889 is 98873868.

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

It is not a de Polignac number, because 86837889 - 2⁴ = 86837873 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (86837689) 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, 22279 + ... + 25884.

It is an arithmetic number, because the mean of its divisors is an integer number (14497364).

Almost surely, 2^86837889 is an apocalyptic number.

It is an amenable number.

86837889 is a deficient number, since it is larger than the sum of its proper divisors (29141023).

86837889 is a wasteful number, since it uses less digits than its factorization.

86837889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48767.

The product of its digits is 4644864, while the sum is 57.

The square root of 86837889 is about 9318.6849394107. The cubic root of 86837889 is about 442.8293720607.

The spelling of 86837889 in words is "eighty-six million, eight hundred thirty-seven thousand, eight hundred eighty-nine".