30779895364 has 9 divisors (see below), whose sum is σ = 53865430941. Its totient is φ = 15389772240.

The previous prime is 30779895361. The next prime is 30779895401. The reversal of 30779895364 is 46359897703.

The square root of 30779895364 is 175442.

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

It can be written as a sum of positive squares in only one way, i.e., 9417149764 + 21362745600 = 97042^2 + 146160^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30779895361) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 307024 + ... + 394744.

Almost surely, 2^30779895364 is an apocalyptic number.

30779895364 is the 175442-nd square number.

It is an amenable number.

30779895364 is a deficient number, since it is larger than the sum of its proper divisors (23085535577).

30779895364 is an frugal number, since it uses more digits than its factorization.

30779895364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175446 (or 87723 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 61.

The spelling of 30779895364 in words is "thirty billion, seven hundred seventy-nine million, eight hundred ninety-five thousand, three hundred sixty-four".