1077177781244 has 12 divisors (see below), whose sum is σ = 1885111489800. Its totient is φ = 538574498448.

The previous prime is 1077177781219. The next prime is 1077177781321. The reversal of 1077177781244 is 4421877717701.

It is a self number, because there is not a number n which added to its sum of digits gives 1077177781244.

It is a congruent number.

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, 3428759 + ... + 3729710.

It is an arithmetic number, because the mean of its divisors is an integer number (157092624150).

Almost surely, 2^{1077177781244} is an apocalyptic number.

It is an amenable number.

1077177781244 is a deficient number, since it is larger than the sum of its proper divisors (807933708556).

1077177781244 is a wasteful number, since it uses less digits than its factorization.

1077177781244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7196092 (or 7196090 counting only the distinct ones).

The product of its (nonzero) digits is 4302592, while the sum is 56.

The spelling of 1077177781244 in words is "one trillion, seventy-seven billion, one hundred seventy-seven million, seven hundred eighty-one thousand, two hundred forty-four".