29977750250 has 32 divisors (see below), whose sum is σ = 64135259136. Its totient is φ = 10278085200.

The previous prime is 29977750223. The next prime is 29977750259. The reversal of 29977750250 is 5205777992.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 29977750192 and 29977750201.

It is not an unprimeable number, because it can be changed into a prime (29977750259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8563322 + ... + 8566821.

It is an arithmetic number, because the mean of its divisors is an integer number (2004226848).

Almost surely, 2^29977750250 is an apocalyptic number.

29977750250 is an abundant number, since it is smaller than the sum of its proper divisors (34157508886).

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

29977750250 is a wasteful number, since it uses less digits than its factorization.

29977750250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17130167 (or 17130157 counting only the distinct ones).

The product of its (nonzero) digits is 2778300, while the sum is 53.

The spelling of 29977750250 in words is "twenty-nine billion, nine hundred seventy-seven million, seven hundred fifty thousand, two hundred fifty".