1277412631017 has 8 divisors (see below), whose sum is σ = 1703256235296. Its totient is φ = 851588723712.

The previous prime is 1277412631009. The next prime is 1277412631049. The reversal of 1277412631017 is 7101362147721.

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

It is not a de Polignac number, because 1277412631017 - 2³ = 1277412631009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1277412631017.

It is not an unprimeable number, because it can be changed into a prime (1277412631217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4772248 + ... + 5032809.

It is an arithmetic number, because the mean of its divisors is an integer number (212907029412).

Almost surely, 2^{1277412631017} is an apocalyptic number.

It is an amenable number.

1277412631017 is a deficient number, since it is larger than the sum of its proper divisors (425843604279).

1277412631017 is an equidigital number, since it uses as much as digits as its factorization.

1277412631017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9848487.

The product of its (nonzero) digits is 98784, while the sum is 42.

Adding to 1277412631017 its reverse (7101362147721), we get a palindrome (8378774778738).

The spelling of 1277412631017 in words is "one trillion, two hundred seventy-seven billion, four hundred twelve million, six hundred thirty-one thousand, seventeen".