29977525228 has 24 divisors (see below), whose sum is σ = 59972838912. Its totient is φ = 12843699024.

The previous prime is 29977525223. The next prime is 29977525231. The reversal of 29977525228 is 82252577992.

It is not an unprimeable number, because it can be changed into a prime (29977525223) 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 7 ways as a sum of consecutive naturals, for example, 61726 + ... + 252517.

It is an arithmetic number, because the mean of its divisors is an integer number (2498868288).

Almost surely, 2^29977525228 is an apocalyptic number.

29977525228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

29977525228 is an abundant number, since it is smaller than the sum of its proper divisors (29995313684).

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

29977525228 is a wasteful number, since it uses less digits than its factorization.

29977525228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317661 (or 317659 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 58.

The spelling of 29977525228 in words is "twenty-nine billion, nine hundred seventy-seven million, five hundred twenty-five thousand, two hundred twenty-eight".