276420656237747 has 12 divisors (see below), whose sum is σ = 321550832245176. Its totient is φ = 236931789941280.

The previous prime is 276420656237701. The next prime is 276420656237749. The reversal of 276420656237747 is 747732656024672.

It is not a de Polignac number, because 276420656237747 - 2¹⁸ = 276420655975603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (276420656237749) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101161847 + ... + 103858367.

It is an arithmetic number, because the mean of its divisors is an integer number (26795902687098).

Almost surely, 2^{276420656237747} is an apocalyptic number.

276420656237747 is a deficient number, since it is larger than the sum of its proper divisors (45130176007429).

276420656237747 is a wasteful number, since it uses less digits than its factorization.

276420656237747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4788578 (or 4788571 counting only the distinct ones).

The product of its (nonzero) digits is 995742720, while the sum is 68.

The spelling of 276420656237747 in words is "two hundred seventy-six trillion, four hundred twenty billion, six hundred fifty-six million, two hundred thirty-seven thousand, seven hundred forty-seven".