6243106778 has 8 divisors (see below), whose sum is σ = 9426678240. Its totient is φ = 3100880700.

The previous prime is 6243106769. The next prime is 6243106783. The reversal of 6243106778 is 8776013426.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10335968 + ... + 10336571.

It is an arithmetic number, because the mean of its divisors is an integer number (1178334780).

Almost surely, 2^6243106778 is an apocalyptic number.

6243106778 is a deficient number, since it is larger than the sum of its proper divisors (3183571462).

6243106778 is a wasteful number, since it uses less digits than its factorization.

6243106778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20672692.

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 6243106778 is about 79013.3329128698. The cubic root of 6243106778 is about 1841.3383042849.

The spelling of 6243106778 in words is "six billion, two hundred forty-three million, one hundred six thousand, seven hundred seventy-eight".