87089489279 has 8 divisors (see below), whose sum is σ = 95784185280. Its totient is φ = 78679865376.

The previous prime is 87089489269. The next prime is 87089489293. The reversal of 87089489279 is 97298498078.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87089489279 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 (87089489209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71267384 + ... + 71268605.

It is an arithmetic number, because the mean of its divisors is an integer number (11973023160).

Almost surely, 2^87089489279 is an apocalyptic number.

87089489279 is a deficient number, since it is larger than the sum of its proper divisors (8694696001).

87089489279 is a wasteful number, since it uses less digits than its factorization.

87089489279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142536049.

The product of its (nonzero) digits is 146313216, while the sum is 71.

The spelling of 87089489279 in words is "eighty-seven billion, eighty-nine million, four hundred eighty-nine thousand, two hundred seventy-nine".