28327867332 has 96 divisors (see below), whose sum is σ = 70526346240. Its totient is φ = 8833743360.

The previous prime is 28327867297. The next prime is 28327867367. The reversal of 28327867332 is 23376872382.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28327867297) and next prime (28327867367).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2154394 + ... + 2167502.

It is an arithmetic number, because the mean of its divisors is an integer number (734649440).

Almost surely, 2^28327867332 is an apocalyptic number.

It is an amenable number.

28327867332 is an abundant number, since it is smaller than the sum of its proper divisors (42198478908).

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

28327867332 is a wasteful number, since it uses less digits than its factorization.

28327867332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13341 (or 13339 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 51.

The spelling of 28327867332 in words is "twenty-eight billion, three hundred twenty-seven million, eight hundred sixty-seven thousand, three hundred thirty-two".