111385977 has 8 divisors (see below), whose sum is σ = 148655616. Its totient is φ = 74186832.

The previous prime is 111385969. The next prime is 111385979. The reversal of 111385977 is 779583111.

It is a happy number.

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

It is not a de Polignac number, because 111385977 - 2³ = 111385969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111385979) 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, 13818 + ... + 20339.

It is an arithmetic number, because the mean of its divisors is an integer number (18581952).

Almost surely, 2^111385977 is an apocalyptic number.

It is an amenable number.

111385977 is a deficient number, since it is larger than the sum of its proper divisors (37269639).

111385977 is a wasteful number, since it uses less digits than its factorization.

111385977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35247.

The product of its digits is 52920, while the sum is 42.

The square root of 111385977 is about 10553.9555144031. The cubic root of 111385977 is about 481.1459555365.

The spelling of 111385977 in words is "one hundred eleven million, three hundred eighty-five thousand, nine hundred seventy-seven".