13779483833778 has 256 divisors, whose sum is σ = 30995360847360. Its totient is φ = 4056459264000.

The previous prime is 13779483833749. The next prime is 13779483833851. The reversal of 13779483833778 is 87733838497731.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 32886596053 + ... + 32886596471.

It is an arithmetic number, because the mean of its divisors is an integer number (121075628310).

Almost surely, 2^{13779483833778} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13779483833778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15497680423680).

13779483833778 is an abundant number, since it is smaller than the sum of its proper divisors (17215877013582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13779483833778 is a wasteful number, since it uses less digits than its factorization.

13779483833778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213.

The product of its digits is 3584673792, while the sum is 78.

The spelling of 13779483833778 in words is "thirteen trillion, seven hundred seventy-nine billion, four hundred eighty-three million, eight hundred thirty-three thousand, seven hundred seventy-eight".