29779070931 has 12 divisors (see below), whose sum is σ = 44607332952. Its totient is φ = 19852713792.

The previous prime is 29779070873. The next prime is 29779070933. The reversal of 29779070931 is 13907097792.

It is a happy number.

It is not a de Polignac number, because 29779070931 - 2⁷ = 29779070803 is a prime.

It is a super-4 number, since 4×29779070931⁴ (a number of 43 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (29779070933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61273566 + ... + 61274051.

It is an arithmetic number, because the mean of its divisors is an integer number (3717277746).

Almost surely, 2^29779070931 is an apocalyptic number.

29779070931 is a deficient number, since it is larger than the sum of its proper divisors (14828262021).

29779070931 is an equidigital number, since it uses as much as digits as its factorization.

29779070931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122547632 (or 122547620 counting only the distinct ones).

The product of its (nonzero) digits is 1500282, while the sum is 54.

The spelling of 29779070931 in words is "twenty-nine billion, seven hundred seventy-nine million, seventy thousand, nine hundred thirty-one".