5556784067394 has 64 divisors (see below), whose sum is σ = 13254784358400. Its totient is φ = 1518471060480.

The previous prime is 5556784067389. The next prime is 5556784067399. The reversal of 5556784067394 is 4937604876555.

It is an interprime number because it is at equal distance from previous prime (5556784067389) and next prime (5556784067399).

It is a Harshad number since it is a multiple of its sum of digits (69).

It is not an unprimeable number, because it can be changed into a prime (5556784067399) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9462882 + ... + 10032930.

It is an arithmetic number, because the mean of its divisors is an integer number (207106005600).

Almost surely, 2^{5556784067394} is an apocalyptic number.

5556784067394 is an abundant number, since it is smaller than the sum of its proper divisors (7698000291006).

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

5556784067394 is a wasteful number, since it uses less digits than its factorization.

5556784067394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580175.

The product of its (nonzero) digits is 762048000, while the sum is 69.

The spelling of 5556784067394 in words is "five trillion, five hundred fifty-six billion, seven hundred eighty-four million, sixty-seven thousand, three hundred ninety-four".