112779851 has 4 divisors (see below), whose sum is σ = 113498352. Its totient is φ = 112061352.

The previous prime is 112779809. The next prime is 112779859. The reversal of 112779851 is 158977211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112779851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112779799 and 112779808.

It is not an unprimeable number, because it can be changed into a prime (112779859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359015 + ... + 359328.

It is an arithmetic number, because the mean of its divisors is an integer number (28374588).

Almost surely, 2^112779851 is an apocalyptic number.

112779851 is a deficient number, since it is larger than the sum of its proper divisors (718501).

112779851 is an equidigital number, since it uses as much as digits as its factorization.

112779851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718500.

The product of its digits is 35280, while the sum is 41.

The square root of 112779851 is about 10619.7858264656. The cubic root of 112779851 is about 483.1446470256.

The spelling of 112779851 in words is "one hundred twelve million, seven hundred seventy-nine thousand, eight hundred fifty-one".