29876776801 has 3 divisors (see below), whose sum is σ = 29876949651. Its totient is φ = 29876603952.

The previous prime is 29876776763. The next prime is 29876776817. The reversal of 29876776801 is 10867767892.

The square root of 29876776801 is 172849.

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., 4251170401 + 25625606400 = 65201^2 + 160080^2 .

It is a de Polignac number, because none of the positive numbers 2^k-29876776801 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29876776801.

It is not an unprimeable number, because it can be changed into a prime (29876770801) 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, 86425 + ... + 259273.

It is an arithmetic number, because the mean of its divisors is an integer number (9958983217).

Almost surely, 2^29876776801 is an apocalyptic number.

29876776801 is the 172849-th square number.

29876776801 is the 86425-th centered octagonal number.

It is an amenable number.

29876776801 is a deficient number, since it is larger than the sum of its proper divisors (172850).

29876776801 is an frugal number, since it uses more digits than its factorization.

29876776801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345698 (or 172849 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 61.

The spelling of 29876776801 in words is "twenty-nine billion, eight hundred seventy-six million, seven hundred seventy-six thousand, eight hundred one".