112889279 has 8 divisors (see below), whose sum is σ = 120057840. Its totient is φ = 105843456.

The previous prime is 112889263. The next prime is 112889281. The reversal of 112889279 is 972988211.

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

It is a cyclic number.

It is not a de Polignac number, because 112889279 - 2⁴ = 112889263 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 (112889209) 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, 28784 + ... + 32469.

It is an arithmetic number, because the mean of its divisors is an integer number (15007230).

Almost surely, 2^112889279 is an apocalyptic number.

112889279 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

112889279 is a deficient number, since it is larger than the sum of its proper divisors (7168561).

112889279 is an equidigital number, since it uses as much as digits as its factorization.

112889279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61369.

The product of its digits is 145152, while the sum is 47.

The square root of 112889279 is about 10624.9366586347. The cubic root of 112889279 is about 483.3008583280.

The spelling of 112889279 in words is "one hundred twelve million, eight hundred eighty-nine thousand, two hundred seventy-nine".