28934227164 has 48 divisors (see below), whose sum is σ = 68666844960. Its totient is φ = 9481190400.

The previous prime is 28934227163. The next prime is 28934227183. The reversal of 28934227164 is 46172243982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28934227163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106464 + ... + 263064.

It is an arithmetic number, because the mean of its divisors is an integer number (1430559270).

Almost surely, 2^28934227164 is an apocalyptic number.

It is an amenable number.

28934227164 is an abundant number, since it is smaller than the sum of its proper divisors (39732617796).

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

28934227164 is a wasteful number, since it uses less digits than its factorization.

28934227164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156870 (or 156868 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 48.

The spelling of 28934227164 in words is "twenty-eight billion, nine hundred thirty-four million, two hundred twenty-seven thousand, one hundred sixty-four".