27773211412 has 6 divisors (see below), whose sum is σ = 48603119978. Its totient is φ = 13886605704.

The previous prime is 27773211409. The next prime is 27773211437. The reversal of 27773211412 is 21411237772.

It can be written as a sum of positive squares in only one way, i.e., 14538089476 + 13235121936 = 120574^2 + 115044^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3471651423 + ... + 3471651430.

Almost surely, 2^27773211412 is an apocalyptic number.

It is an amenable number.

27773211412 is a deficient number, since it is larger than the sum of its proper divisors (20829908566).

27773211412 is a wasteful number, since it uses less digits than its factorization.

27773211412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6943302857 (or 6943302855 counting only the distinct ones).

The product of its digits is 32928, while the sum is 37.

The spelling of 27773211412 in words is "twenty-seven billion, seven hundred seventy-three million, two hundred eleven thousand, four hundred twelve".