29428587868 has 48 divisors (see below), whose sum is σ = 56630236320. Its totient is φ = 13318946816.

The previous prime is 29428587841. The next prime is 29428587889. The reversal of 29428587868 is 86878582492.

It is a congruent number.

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, 477771 + ... + 535837.

It is an arithmetic number, because the mean of its divisors is an integer number (1179796590).

Almost surely, 2^29428587868 is an apocalyptic number.

It is an amenable number.

29428587868 is a deficient number, since it is larger than the sum of its proper divisors (27201648452).

29428587868 is a wasteful number, since it uses less digits than its factorization.

29428587868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58374 (or 58372 counting only the distinct ones).

The product of its digits is 123863040, while the sum is 67.

The spelling of 29428587868 in words is "twenty-nine billion, four hundred twenty-eight million, five hundred eighty-seven thousand, eight hundred sixty-eight".