4297776779664 has 45 divisors (see below), whose sum is σ = 12027875470923. Its totient is φ = 1432583967456.

The previous prime is 4297776779551. The next prime is 4297776779693. The reversal of 4297776779664 is 4669776777924.

The square root of 4297776779664 is 2073108.

It is a perfect power (a square), and thus also a powerful number.

4297776779664 is a `hidden beast` number, since 429 + 7 + 7 + 7 + 67 + 79 + 6 + 64 = 666.

4297776779664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 24790917 + ... + 24963675.

Almost surely, 2^{4297776779664} is an apocalyptic number.

4297776779664 is the 2073108-th square number.

It is an amenable number.

4297776779664 is an abundant number, since it is smaller than the sum of its proper divisors (7730098691259).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4297776779664 is an frugal number, since it uses more digits than its factorization.

4297776779664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345532 (or 172764 counting only the distinct ones).

The product of its digits is 9409768704, while the sum is 81.

Multiplying 4297776779664 by its sum of digits (81), we get a square (348119919152784 = 18657972²).

The spelling of 4297776779664 in words is "four trillion, two hundred ninety-seven billion, seven hundred seventy-six million, seven hundred seventy-nine thousand, six hundred sixty-four".