1275727474868 has 48 divisors (see below), whose sum is σ = 2785074230400. Its totient is φ = 496738673280.

The previous prime is 1275727474741. The next prime is 1275727474933. The reversal of 1275727474868 is 8684747275721.

It is a junction number, because it is equal to n+sod(n) for n = 1275727474798 and 1275727474807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 726803 + ... + 1754906.

It is an arithmetic number, because the mean of its divisors is an integer number (58022379800).

Almost surely, 2^{1275727474868} is an apocalyptic number.

It is an amenable number.

1275727474868 is an abundant number, since it is smaller than the sum of its proper divisors (1509346755532).

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

1275727474868 is a wasteful number, since it uses less digits than its factorization.

1275727474868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2483400 (or 2483398 counting only the distinct ones).

The product of its digits is 295034880, while the sum is 68.

The spelling of 1275727474868 in words is "one trillion, two hundred seventy-five billion, seven hundred twenty-seven million, four hundred seventy-four thousand, eight hundred sixty-eight".