86739089 has 4 divisors (see below), whose sum is σ = 86761200. Its totient is φ = 86716980.

The previous prime is 86739031. The next prime is 86739091. The reversal of 86739089 is 98093768.

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 a de Polignac number, because none of the positive numbers 2^k-86739089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86739589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3407 + ... + 13604.

It is an arithmetic number, because the mean of its divisors is an integer number (21690300).

Almost surely, 2^86739089 is an apocalyptic number.

It is an amenable number.

86739089 is a deficient number, since it is larger than the sum of its proper divisors (22111).

86739089 is a wasteful number, since it uses less digits than its factorization.

86739089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22110.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 86739089 is about 9313.3822535103. The cubic root of 86739089 is about 442.6613649624.

The spelling of 86739089 in words is "eighty-six million, seven hundred thirty-nine thousand, eighty-nine".