29997928297882 has 4 divisors (see below), whose sum is σ = 44996892446826. Its totient is φ = 14998964148940.

The previous prime is 29997928297879. The next prime is 29997928297933. The reversal of 29997928297882 is 28879282979992.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 27820972644481 + 2176955653401 = 5274559^2 + 1475451^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7499482074469 + ... + 7499482074472.

Almost surely, 2^{29997928297882} is an apocalyptic number.

29997928297882 is a deficient number, since it is larger than the sum of its proper divisors (14998964148944).

29997928297882 is a wasteful number, since it uses less digits than its factorization.

29997928297882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14998964148943.

The product of its digits is 23702740992, while the sum is 91.

The spelling of 29997928297882 in words is "twenty-nine trillion, nine hundred ninety-seven billion, nine hundred twenty-eight million, two hundred ninety-seven thousand, eight hundred eighty-two".