82667728276254 has 144 divisors (see below), whose sum is σ = 210489951424896. Its totient is φ = 23245173638400.

The previous prime is 82667728276241. The next prime is 82667728276277. The reversal of 82667728276254 is 45267282776628.

It is a happy number.

82667728276254 is a `hidden beast` number, since 8 + 26 + 6 + 7 + 7 + 282 + 76 + 254 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6111072 + ... + 14236595.

It is an arithmetic number, because the mean of its divisors is an integer number (1461735773784).

Almost surely, 2^{82667728276254} is an apocalyptic number.

82667728276254 is an abundant number, since it is smaller than the sum of its proper divisors (127822223148642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82667728276254 is a wasteful number, since it uses less digits than its factorization.

82667728276254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20347791 (or 20347771 counting only the distinct ones).

The product of its digits is 1517322240, while the sum is 72.

The spelling of 82667728276254 in words is "eighty-two trillion, six hundred sixty-seven billion, seven hundred twenty-eight million, two hundred seventy-six thousand, two hundred fifty-four".