89870867 has 8 divisors (see below), whose sum is σ = 94456320. Its totient is φ = 85341960.

The previous prime is 89870863. The next prime is 89870887. The reversal of 89870867 is 76807898.

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

It is not a de Polignac number, because 89870867 - 2² = 89870863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89870861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10859 + ... + 17252.

It is an arithmetic number, because the mean of its divisors is an integer number (11807040).

Almost surely, 2^89870867 is an apocalyptic number.

89870867 is a deficient number, since it is larger than the sum of its proper divisors (4585453).

89870867 is a wasteful number, since it uses less digits than its factorization.

89870867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28273.

The product of its (nonzero) digits is 1354752, while the sum is 53.

The square root of 89870867 is about 9480.0246307697. The cubic root of 89870867 is about 447.9260397543.

The spelling of 89870867 in words is "eighty-nine million, eight hundred seventy thousand, eight hundred sixty-seven".