29677155968 has 32 divisors (see below), whose sum is σ = 59834799360. Its totient is φ = 14659794688.

The previous prime is 29677155961. The next prime is 29677155979. The reversal of 29677155968 is 86955177692.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (29677155961) 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 3 ways as a sum of consecutive naturals, for example, 1386080 + ... + 1407327.

It is an arithmetic number, because the mean of its divisors is an integer number (1869837480).

Almost surely, 2^29677155968 is an apocalyptic number.

It is an amenable number.

29677155968 is an abundant number, since it is smaller than the sum of its proper divisors (30157643392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29677155968 is an equidigital number, since it uses as much as digits as its factorization.

29677155968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2793504 (or 2793492 counting only the distinct ones).

The product of its digits is 57153600, while the sum is 65.

The spelling of 29677155968 in words is "twenty-nine billion, six hundred seventy-seven million, one hundred fifty-five thousand, nine hundred sixty-eight".