29977122368 has 14 divisors (see below), whose sum is σ = 59485852326. Its totient is φ = 14988561152.

The previous prime is 29977122359. The next prime is 29977122391. The reversal of 29977122368 is 86322177992.

It can be written as a sum of positive squares in only one way, i.e., 22980134464 + 6996987904 = 151592^2 + 83648^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 234196205 + ... + 234196332.

Almost surely, 2^29977122368 is an apocalyptic number.

It is an amenable number.

29977122368 is a deficient number, since it is larger than the sum of its proper divisors (29508729958).

29977122368 is an equidigital number, since it uses as much as digits as its factorization.

29977122368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468392549 (or 468392539 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 56.

The spelling of 29977122368 in words is "twenty-nine billion, nine hundred seventy-seven million, one hundred twenty-two thousand, three hundred sixty-eight".