112778038987 has 2 divisors, whose sum is σ = 112778038988. Its totient is φ = 112778038986.

The previous prime is 112778038973. The next prime is 112778038993. The reversal of 112778038987 is 789830877211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112778038987 - 2⁷ = 112778038859 is a prime.

It is not a weakly prime, because it can be changed into another prime (112778038487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56389019493 + 56389019494.

It is an arithmetic number, because the mean of its divisors is an integer number (56389019494).

Almost surely, 2^112778038987 is an apocalyptic number.

112778038987 is a deficient number, since it is larger than the sum of its proper divisors (1).

112778038987 is an equidigital number, since it uses as much as digits as its factorization.

112778038987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9483264, while the sum is 61.

The spelling of 112778038987 in words is "one hundred twelve billion, seven hundred seventy-eight million, thirty-eight thousand, nine hundred eighty-seven".