29470977628 has 6 divisors (see below), whose sum is σ = 51574210856. Its totient is φ = 14735488812.

The previous prime is 29470977563. The next prime is 29470977629. The reversal of 29470977628 is 82677907492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29470977629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3683872200 + ... + 3683872207.

Almost surely, 2^29470977628 is an apocalyptic number.

It is an amenable number.

29470977628 is a deficient number, since it is larger than the sum of its proper divisors (22103233228).

29470977628 is a wasteful number, since it uses less digits than its factorization.

29470977628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7367744411 (or 7367744409 counting only the distinct ones).

The product of its (nonzero) digits is 21337344, while the sum is 61.

The spelling of 29470977628 in words is "twenty-nine billion, four hundred seventy million, nine hundred seventy-seven thousand, six hundred twenty-eight".