276626907668 has 24 divisors (see below), whose sum is σ = 496307543424. Its totient is φ = 134830238400.

The previous prime is 276626907653. The next prime is 276626907673. The reversal of 276626907668 is 866709626672.

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, 483230 + ... + 886997.

It is an arithmetic number, because the mean of its divisors is an integer number (20679480976).

Almost surely, 2^276626907668 is an apocalyptic number.

It is an amenable number.

276626907668 is a deficient number, since it is larger than the sum of its proper divisors (219680635756).

276626907668 is a wasteful number, since it uses less digits than its factorization.

276626907668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371503 (or 1371501 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 65.

The spelling of 276626907668 in words is "two hundred seventy-six billion, six hundred twenty-six million, nine hundred seven thousand, six hundred sixty-eight".