112345667779 has 8 divisors (see below), whose sum is σ = 116352004608. Its totient is φ = 108406664520.

The previous prime is 112345667743. The next prime is 112345667783. The reversal of 112345667779 is 977766543211.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112345667779 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (112345667789) 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, 16829997 + ... + 16836670.

It is an arithmetic number, because the mean of its divisors is an integer number (14544000576).

Almost surely, 2^112345667779 is an apocalyptic number.

112345667779 is a deficient number, since it is larger than the sum of its proper divisors (4006336829).

112345667779 is an equidigital number, since it uses as much as digits as its factorization.

112345667779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33666785.

The product of its digits is 13335840, while the sum is 58.

The spelling of 112345667779 in words is "one hundred twelve billion, three hundred forty-five million, six hundred sixty-seven thousand, seven hundred seventy-nine".