89687039 has 8 divisors (see below), whose sum is σ = 96704832. Its totient is φ = 82686240.

The previous prime is 89687033. The next prime is 89687057. The reversal of 89687039 is 93078698.

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

It is a de Polignac number, because none of the positive numbers 2^k-89687039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89687033) 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, 8057 + ... + 15629.

It is an arithmetic number, because the mean of its divisors is an integer number (12088104).

Almost surely, 2^89687039 is an apocalyptic number.

89687039 is a deficient number, since it is larger than the sum of its proper divisors (7017793).

89687039 is a wasteful number, since it uses less digits than its factorization.

89687039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8497.

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

The square root of 89687039 is about 9470.3241232811. The cubic root of 89687039 is about 447.6204251287.

The spelling of 89687039 in words is "eighty-nine million, six hundred eighty-seven thousand, thirty-nine".