29479687971 has 8 divisors (see below), whose sum is σ = 39492537024. Its totient is φ = 19559982120.

The previous prime is 29479687967. The next prime is 29479688023. The reversal of 29479687971 is 17978697492.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29479687971 - 2² = 29479687967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29479687896 and 29479687905.

It is not an unprimeable number, because it can be changed into a prime (29479687901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23285061 + ... + 23286326.

It is an arithmetic number, because the mean of its divisors is an integer number (4936567128).

Almost surely, 2^29479687971 is an apocalyptic number.

29479687971 is a deficient number, since it is larger than the sum of its proper divisors (10012849053).

29479687971 is a wasteful number, since it uses less digits than its factorization.

29479687971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46571601.

The product of its digits is 96018048, while the sum is 69.

The spelling of 29479687971 in words is "twenty-nine billion, four hundred seventy-nine million, six hundred eighty-seven thousand, nine hundred seventy-one".