29887538842 has 32 divisors (see below), whose sum is σ = 52807595904. Its totient is φ = 12419827200.

The previous prime is 29887538839. The next prime is 29887538873. The reversal of 29887538842 is 24883578892.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66159 + ... + 253282.

It is an arithmetic number, because the mean of its divisors is an integer number (1650237372).

Almost surely, 2^29887538842 is an apocalyptic number.

29887538842 is a deficient number, since it is larger than the sum of its proper divisors (22920057062).

29887538842 is a wasteful number, since it uses less digits than its factorization.

29887538842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319654.

The product of its digits is 61931520, while the sum is 64.

The spelling of 29887538842 in words is "twenty-nine billion, eight hundred eighty-seven million, five hundred thirty-eight thousand, eight hundred forty-two".