719779166404 has 9 divisors (see below), whose sum is σ = 1259616510607. Its totient is φ = 359888734804.

The previous prime is 719779166387. The next prime is 719779166443. The reversal of 719779166404 is 404661977917.

The square root of 719779166404 is 848398.

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

719779166404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1484697 + ... + 1908895.

Almost surely, 2^719779166404 is an apocalyptic number.

719779166404 is the 848398-th square number.

It is an amenable number.

719779166404 is a deficient number, since it is larger than the sum of its proper divisors (539837344203).

719779166404 is an frugal number, since it uses more digits than its factorization.

719779166404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848402 (or 424201 counting only the distinct ones).

The product of its (nonzero) digits is 16003008, while the sum is 61.

The spelling of 719779166404 in words is "seven hundred nineteen billion, seven hundred seventy-nine million, one hundred sixty-six thousand, four hundred four".