111678479 has 8 divisors (see below), whose sum is σ = 122297472. Its totient is φ = 101137240.

The previous prime is 111678401. The next prime is 111678487. The reversal of 111678479 is 974876111.

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 111678479 - 2⁸ = 111678223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111678499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16409 + ... + 22194.

It is an arithmetic number, because the mean of its divisors is an integer number (15287184).

Almost surely, 2^111678479 is an apocalyptic number.

111678479 is a deficient number, since it is larger than the sum of its proper divisors (10618993).

111678479 is a wasteful number, since it uses less digits than its factorization.

111678479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38877.

The product of its digits is 84672, while the sum is 44.

The square root of 111678479 is about 10567.8038872795. The cubic root of 111678479 is about 481.5667539931.

The spelling of 111678479 in words is "one hundred eleven million, six hundred seventy-eight thousand, four hundred seventy-nine".