29922347979 has 12 divisors (see below), whose sum is σ = 43227698800. Its totient is φ = 19945218384.

The previous prime is 29922347957. The next prime is 29922348031. The reversal of 29922347979 is 97974322992.

29922347979 is a `hidden beast` number, since 2 + 9 + 92 + 2 + 3 + 479 + 79 = 666.

It is not a de Polignac number, because 29922347979 - 2⁸ = 29922347723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29922347579) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187399 + ... + 308160.

Almost surely, 2^29922347979 is an apocalyptic number.

29922347979 is a deficient number, since it is larger than the sum of its proper divisors (13305350821).

29922347979 is a wasteful number, since it uses less digits than its factorization.

29922347979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502274 (or 502271 counting only the distinct ones).

The product of its digits is 30862944, while the sum is 63.

The spelling of 29922347979 in words is "twenty-nine billion, nine hundred twenty-two million, three hundred forty-seven thousand, nine hundred seventy-nine".