86087089 has 4 divisors (see below), whose sum is σ = 93913200. Its totient is φ = 78260980.

The previous prime is 86087069. The next prime is 86087107. The reversal of 86087089 is 98078068.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86087089 - 2⁷ = 86086961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86087059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3913039 + ... + 3913060.

It is an arithmetic number, because the mean of its divisors is an integer number (23478300).

Almost surely, 2^86087089 is an apocalyptic number.

It is an amenable number.

86087089 is a deficient number, since it is larger than the sum of its proper divisors (7826111).

86087089 is a wasteful number, since it uses less digits than its factorization.

86087089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7826110.

The product of its (nonzero) digits is 193536, while the sum is 46.

The square root of 86087089 is about 9278.3128315443. The cubic root of 86087089 is about 441.5494425975.

The spelling of 86087089 in words is "eighty-six million, eighty-seven thousand, eighty-nine".