107856489 has 8 divisors (see below), whose sum is σ = 154870912. Its totient is φ = 66373200.

The previous prime is 107856467. The next prime is 107856491. The reversal of 107856489 is 984658701.

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

It is not a de Polignac number, because 107856489 - 2¹¹ = 107854441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107856389) 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, 1382737 + ... + 1382814.

It is an arithmetic number, because the mean of its divisors is an integer number (19358864).

Almost surely, 2^107856489 is an apocalyptic number.

It is an amenable number.

107856489 is a deficient number, since it is larger than the sum of its proper divisors (47014423).

107856489 is a wasteful number, since it uses less digits than its factorization.

107856489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765567.

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 107856489 is about 10385.3978739382. The cubic root of 107856489 is about 476.0092873573.

It can be divided in two parts, 107856 and 489, that added together give a triangular number (108345 = T₄₆₅).

The spelling of 107856489 in words is "one hundred seven million, eight hundred fifty-six thousand, four hundred eighty-nine".