1207774395556 has 12 divisors (see below), whose sum is σ = 2116745769292. Its totient is φ = 602989890048.

The previous prime is 1207774395551. The next prime is 1207774395557. The reversal of 1207774395556 is 6555934777021.

It can be written as a sum of positive squares in 2 ways, for example, as 483205716900 + 724568678656 = 695130^2 + 851216^2 .

It is a super-2 number, since 2×1207774395556² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1207774395494 and 1207774395503.

It is not an unprimeable number, because it can be changed into a prime (1207774395551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224323905 + ... + 224329288.

Almost surely, 2^{1207774395556} is an apocalyptic number.

It is an amenable number.

1207774395556 is a deficient number, since it is larger than the sum of its proper divisors (908971373736).

1207774395556 is a wasteful number, since it uses less digits than its factorization.

1207774395556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448653870 (or 448653868 counting only the distinct ones).

The product of its (nonzero) digits is 55566000, while the sum is 61.

The spelling of 1207774395556 in words is "one trillion, two hundred seven billion, seven hundred seventy-four million, three hundred ninety-five thousand, five hundred fifty-six".