28932818916 has 12 divisors (see below), whose sum is σ = 67509910832. Its totient is φ = 9644272968.

The previous prime is 28932818911. The next prime is 28932818921. The reversal of 28932818916 is 61981823982.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28932818911) and next prime (28932818921).

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

It is not an unprimeable number, because it can be changed into a prime (28932818911) 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, 1205534110 + ... + 1205534133.

Almost surely, 2^28932818916 is an apocalyptic number.

It is an amenable number.

28932818916 is an abundant number, since it is smaller than the sum of its proper divisors (38577091916).

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

28932818916 is a wasteful number, since it uses less digits than its factorization.

28932818916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411068250 (or 2411068248 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 57.

The spelling of 28932818916 in words is "twenty-eight billion, nine hundred thirty-two million, eight hundred eighteen thousand, nine hundred sixteen".