29790843828 has 12 divisors (see below), whose sum is σ = 69511968960. Its totient is φ = 9930281272.

The previous prime is 29790843821. The next prime is 29790843893. The reversal of 29790843828 is 82834809792.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29790843821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1241285148 + ... + 1241285171.

It is an arithmetic number, because the mean of its divisors is an integer number (5792664080).

Almost surely, 2^29790843828 is an apocalyptic number.

It is an amenable number.

29790843828 is an abundant number, since it is smaller than the sum of its proper divisors (39721125132).

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

29790843828 is a wasteful number, since it uses less digits than its factorization.

29790843828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2482570326 (or 2482570324 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 60.

The spelling of 29790843828 in words is "twenty-nine billion, seven hundred ninety million, eight hundred forty-three thousand, eight hundred twenty-eight".