276772142005 has 8 divisors (see below), whose sum is σ = 332137730232. Its totient is φ = 221410273728.

The previous prime is 276772141999. The next prime is 276772142081. The reversal of 276772142005 is 500241277672.

It can be written as a sum of positive squares in 4 ways, for example, as 27418723396 + 249353418609 = 165586^2 + 499353^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-276772142005 is a prime.

It is a Duffinian number.

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, 763594 + ... + 1066123.

It is an arithmetic number, because the mean of its divisors is an integer number (41517216279).

Almost surely, 2^276772142005 is an apocalyptic number.

It is an amenable number.

276772142005 is a deficient number, since it is larger than the sum of its proper divisors (55365588227).

276772142005 is a wasteful number, since it uses less digits than its factorization.

276772142005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859975.

The product of its (nonzero) digits is 329280, while the sum is 43.

The spelling of 276772142005 in words is "two hundred seventy-six billion, seven hundred seventy-two million, one hundred forty-two thousand, five".