29980796927 has 16 divisors (see below), whose sum is σ = 30663649632. Its totient is φ = 29305774080.

The previous prime is 29980796921. The next prime is 29980796941. The reversal of 29980796927 is 72969708992.

It is a cyclic number.

It is not a de Polignac number, because 29980796927 - 2³⁰ = 28907055103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29980796921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4727903 + ... + 4734239.

It is an arithmetic number, because the mean of its divisors is an integer number (1916478102).

Almost surely, 2^29980796927 is an apocalyptic number.

29980796927 is a deficient number, since it is larger than the sum of its proper divisors (682852705).

29980796927 is a wasteful number, since it uses less digits than its factorization.

29980796927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6938.

The product of its (nonzero) digits is 61725888, while the sum is 68.

The spelling of 29980796927 in words is "twenty-nine billion, nine hundred eighty million, seven hundred ninety-six thousand, nine hundred twenty-seven".