29873929831772 has 12 divisors (see below), whose sum is σ = 56300867759976. Its totient is φ = 13787967614640.

The previous prime is 29873929831693. The next prime is 29873929831787. The reversal of 29873929831772 is 27713892937892.

It is a junction number, because it is equal to n+sod(n) for n = 29873929831693 and 29873929831702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287249325254 + ... + 287249325357.

It is an arithmetic number, because the mean of its divisors is an integer number (4691738979998).

Almost surely, 2^{29873929831772} is an apocalyptic number.

It is an amenable number.

29873929831772 is a deficient number, since it is larger than the sum of its proper divisors (26426937928204).

29873929831772 is a wasteful number, since it uses less digits than its factorization.

29873929831772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574498650628 (or 574498650626 counting only the distinct ones).

The product of its digits is 1152216576, while the sum is 77.

The spelling of 29873929831772 in words is "twenty-nine trillion, eight hundred seventy-three billion, nine hundred twenty-nine million, eight hundred thirty-one thousand, seven hundred seventy-two".