1777056906496 has 18 divisors (see below), whose sum is σ = 3547172184962. Its totient is φ = 888528453120.

The previous prime is 1777056906491. The next prime is 1777056906497. The reversal of 1777056906496 is 6946096507771.

It can be written as a sum of positive squares in only one way, i.e., 1612493625600 + 164563280896 = 1269840^2 + 405664^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1777056906491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3470814015 + ... + 3470814526.

Almost surely, 2^{1777056906496} is an apocalyptic number.

1777056906496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1777056906496 is a deficient number, since it is larger than the sum of its proper divisors (1770115278466).

1777056906496 is an frugal number, since it uses more digits than its factorization.

1777056906496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6941628557 (or 6941628543 counting only the distinct ones).

The product of its (nonzero) digits is 120022560, while the sum is 67.

The spelling of 1777056906496 in words is "one trillion, seven hundred seventy-seven billion, fifty-six million, nine hundred six thousand, four hundred ninety-six".