29672620871 has 4 divisors (see below), whose sum is σ = 29674836072. Its totient is φ = 29670405672.

The previous prime is 29672620849. The next prime is 29672620883. The reversal of 29672620871 is 17802627692.

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

It is a cyclic number.

It is not a de Polignac number, because 29672620871 - 2¹⁴ = 29672604487 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 (29672620771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1087385 + ... + 1114338.

It is an arithmetic number, because the mean of its divisors is an integer number (7418709018).

Almost surely, 2^29672620871 is an apocalyptic number.

29672620871 is a deficient number, since it is larger than the sum of its proper divisors (2215201).

29672620871 is a wasteful number, since it uses less digits than its factorization.

29672620871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215200.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 29672620871 in words is "twenty-nine billion, six hundred seventy-two million, six hundred twenty thousand, eight hundred seventy-one".