29457838079 has 4 divisors (see below), whose sum is σ = 29638561176. Its totient is φ = 29277114984.

The previous prime is 29457838073. The next prime is 29457838099. The reversal of 29457838079 is 97083875492.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29457838079 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 (29457838073) 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, 90361304 + ... + 90361629.

It is an arithmetic number, because the mean of its divisors is an integer number (7409640294).

Almost surely, 2^29457838079 is an apocalyptic number.

29457838079 is a deficient number, since it is larger than the sum of its proper divisors (180723097).

29457838079 is a wasteful number, since it uses less digits than its factorization.

29457838079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180723096.

The product of its (nonzero) digits is 30481920, while the sum is 62.

The spelling of 29457838079 in words is "twenty-nine billion, four hundred fifty-seven million, eight hundred thirty-eight thousand, seventy-nine".