29807677201 has 3 divisors (see below), whose sum is σ = 29807849851. Its totient is φ = 29807504552.

The previous prime is 29807677199. The next prime is 29807677301. The reversal of 29807677201 is 10277670892.

The square root of 29807677201 is 172649.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 251190801 + 29556486400 = 15849^2 + 171920^2 .

It is not a de Polignac number, because 29807677201 - 2¹ = 29807677199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29807677301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 86325 + ... + 258973.

Almost surely, 2^29807677201 is an apocalyptic number.

29807677201 is the 172649-th square number.

29807677201 is the 86325-th centered octagonal number.

It is an amenable number.

29807677201 is a deficient number, since it is larger than the sum of its proper divisors (172650).

29807677201 is an frugal number, since it uses more digits than its factorization.

29807677201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345298 (or 172649 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 49.

Multiplying 29807677201 by its sum of digits (49), we get a square (1460576182849 = 1208543²).

The spelling of 29807677201 in words is "twenty-nine billion, eight hundred seven million, six hundred seventy-seven thousand, two hundred one".