2756264667878 has 4 divisors (see below), whose sum is σ = 4134397001820. Its totient is φ = 1378132333938.

The previous prime is 2756264667857. The next prime is 2756264667953. The reversal of 2756264667878 is 8787664626572.

2756264667878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689066166968 + ... + 689066166971.

It is an arithmetic number, because the mean of its divisors is an integer number (1033599250455).

Almost surely, 2^{2756264667878} is an apocalyptic number.

2756264667878 is a deficient number, since it is larger than the sum of its proper divisors (1378132333942).

2756264667878 is a wasteful number, since it uses less digits than its factorization.

2756264667878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378132333941.

The product of its digits is 2275983360, while the sum is 74.

The spelling of 2756264667878 in words is "two trillion, seven hundred fifty-six billion, two hundred sixty-four million, six hundred sixty-seven thousand, eight hundred seventy-eight".