276813665564 has 12 divisors (see below), whose sum is σ = 487675083000. Its totient is φ = 137477927568.

The previous prime is 276813665507. The next prime is 276813665581. The reversal of 276813665564 is 465566318672.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

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, 232225634 + ... + 232226825.

It is an arithmetic number, because the mean of its divisors is an integer number (40639590250).

Almost surely, 2^276813665564 is an apocalyptic number.

It is an amenable number.

276813665564 is a deficient number, since it is larger than the sum of its proper divisors (210861417436).

276813665564 is a wasteful number, since it uses less digits than its factorization.

276813665564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464452612 (or 464452610 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 59.

The spelling of 276813665564 in words is "two hundred seventy-six billion, eight hundred thirteen million, six hundred sixty-five thousand, five hundred sixty-four".