78810112 has 22 divisors (see below), whose sum is σ = 157545308. Its totient is φ = 39404544.

The previous prime is 78810097. The next prime is 78810187. The reversal of 78810112 is 21101887.

It is a super-2 number, since 2×78810112² = 12422067506905088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37458 + ... + 39505.

Almost surely, 2^78810112 is an apocalyptic number.

It is an amenable number.

78810112 is a deficient number, since it is larger than the sum of its proper divisors (78735196).

78810112 is an equidigital number, since it uses as much as digits as its factorization.

78810112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76983 (or 76965 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 28.

The square root of 78810112 is about 8877.5059560667. The cubic root of 78810112 is about 428.7399782328.

Adding to 78810112 its reverse (21101887), we get a palindrome (99911999).

The spelling of 78810112 in words is "seventy-eight million, eight hundred ten thousand, one hundred twelve".