29616428868 has 24 divisors (see below), whose sum is σ = 74420770368. Its totient is φ = 9112747296.

The previous prime is 29616428861. The next prime is 29616428879. The reversal of 29616428868 is 86882461692.

It is a super-2 number, since 2×29616428868² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29616428861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94924296 + ... + 94924607.

It is an arithmetic number, because the mean of its divisors is an integer number (3100865432).

Almost surely, 2^29616428868 is an apocalyptic number.

It is an amenable number.

29616428868 is an abundant number, since it is smaller than the sum of its proper divisors (44804341500).

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

29616428868 is a wasteful number, since it uses less digits than its factorization.

29616428868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189848923 (or 189848921 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 60.

The spelling of 29616428868 in words is "twenty-nine billion, six hundred sixteen million, four hundred twenty-eight thousand, eight hundred sixty-eight".