28064767164 has 48 divisors (see below), whose sum is σ = 78093270528. Its totient is φ = 7669873728.

The previous prime is 28064767163. The next prime is 28064767183. The reversal of 28064767164 is 46176746082.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28064767163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7261207 + ... + 7265070.

It is an arithmetic number, because the mean of its divisors is an integer number (1626943136).

Almost surely, 2^28064767164 is an apocalyptic number.

It is an amenable number.

28064767164 is an abundant number, since it is smaller than the sum of its proper divisors (50028503364).

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

28064767164 is a wasteful number, since it uses less digits than its factorization.

28064767164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14526314 (or 14526312 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 51.

The spelling of 28064767164 in words is "twenty-eight billion, sixty-four million, seven hundred sixty-seven thousand, one hundred sixty-four".