264323873278 has 16 divisors (see below), whose sum is σ = 420445578960. Its totient is φ = 124198942336.

The previous prime is 264323873263. The next prime is 264323873377. The reversal of 264323873278 is 872378323462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5876101 + ... + 5920912.

It is an arithmetic number, because the mean of its divisors is an integer number (26277848685).

Almost surely, 2^264323873278 is an apocalyptic number.

264323873278 is a deficient number, since it is larger than the sum of its proper divisors (156121705682).

264323873278 is a wasteful number, since it uses less digits than its factorization.

264323873278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11797691.

The product of its digits is 16257024, while the sum is 55.

The spelling of 264323873278 in words is "two hundred sixty-four billion, three hundred twenty-three million, eight hundred seventy-three thousand, two hundred seventy-eight".