29861059884 has 12 divisors (see below), whose sum is σ = 69675806424. Its totient is φ = 9953686624.

The previous prime is 29861059843. The next prime is 29861059931. The reversal of 29861059884 is 48895016892.

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

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, 1244210817 + ... + 1244210840.

It is an arithmetic number, because the mean of its divisors is an integer number (5806317202).

Almost surely, 2^29861059884 is an apocalyptic number.

It is an amenable number.

29861059884 is an abundant number, since it is smaller than the sum of its proper divisors (39814746540).

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

29861059884 is a wasteful number, since it uses less digits than its factorization.

29861059884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2488421664 (or 2488421662 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 60.

The spelling of 29861059884 in words is "twenty-nine billion, eight hundred sixty-one million, fifty-nine thousand, eight hundred eighty-four".