1277933068 has 12 divisors (see below), whose sum is σ = 2251393200. Its totient is φ = 634677872.

The previous prime is 1277933023. The next prime is 1277933077. The reversal of 1277933068 is 8603397721.

It is a happy number.

It is a super-2 number, since 2×1277933068² = 3266225852575785248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1071496 + ... + 1072687.

It is an arithmetic number, because the mean of its divisors is an integer number (187616100).

Almost surely, 2^1277933068 is an apocalyptic number.

It is an amenable number.

1277933068 is a deficient number, since it is larger than the sum of its proper divisors (973460132).

1277933068 is a wasteful number, since it uses less digits than its factorization.

1277933068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144336 (or 2144334 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 1277933068 is about 35748.1897164038. The cubic root of 1277933068 is about 1085.1823029628.

The spelling of 1277933068 in words is "one billion, two hundred seventy-seven million, nine hundred thirty-three thousand, sixty-eight".