126408784378 has 8 divisors (see below), whose sum is σ = 190566007200. Its totient is φ = 62886781980.

The previous prime is 126408784361. The next prime is 126408784387. The reversal of 126408784378 is 873487804621.

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, 158804608 + ... + 158805403.

It is an arithmetic number, because the mean of its divisors is an integer number (23820750900).

Almost surely, 2^126408784378 is an apocalyptic number.

126408784378 is a deficient number, since it is larger than the sum of its proper divisors (64157222822).

126408784378 is a wasteful number, since it uses less digits than its factorization.

126408784378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317610212.

The product of its (nonzero) digits is 14450688, while the sum is 58.

The spelling of 126408784378 in words is "one hundred twenty-six billion, four hundred eight million, seven hundred eighty-four thousand, three hundred seventy-eight".