111887968 has 12 divisors (see below), whose sum is σ = 220279500. Its totient is φ = 55943968.

The previous prime is 111887957. The next prime is 111887981. The reversal of 111887968 is 869788111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1748218 + ... + 1748281.

It is an arithmetic number, because the mean of its divisors is an integer number (18356625).

Almost surely, 2^111887968 is an apocalyptic number.

It is an amenable number.

111887968 is a deficient number, since it is larger than the sum of its proper divisors (108391532).

111887968 is an equidigital number, since it uses as much as digits as its factorization.

111887968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3496509 (or 3496501 counting only the distinct ones).

The product of its digits is 193536, while the sum is 49.

The square root of 111887968 is about 10577.7109054842. The cubic root of 111887968 is about 481.8676771575.

The spelling of 111887968 in words is "one hundred eleven million, eight hundred eighty-seven thousand, nine hundred sixty-eight".