12776378854 has 8 divisors (see below), whose sum is σ = 19171548000. Its totient is φ = 6385862856.

The previous prime is 12776378833. The next prime is 12776378887. The reversal of 12776378854 is 45887367721.

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

It is a congruent number.

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, 1156414 + ... + 1167409.

It is an arithmetic number, because the mean of its divisors is an integer number (2396443500).

Almost surely, 2^12776378854 is an apocalyptic number.

12776378854 is a deficient number, since it is larger than the sum of its proper divisors (6395169146).

12776378854 is a wasteful number, since it uses less digits than its factorization.

12776378854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326574.

The product of its digits is 15805440, while the sum is 58.

The spelling of 12776378854 in words is "twelve billion, seven hundred seventy-six million, three hundred seventy-eight thousand, eight hundred fifty-four".