28612164294 has 24 divisors (see below), whose sum is σ = 70849169040. Its totient is φ = 8174904048.

The previous prime is 28612164281. The next prime is 28612164299. The reversal of 28612164294 is 49246121682.

It is a happy number.

28612164294 is a `hidden beast` number, since 2 + 8 + 6 + 1 + 216 + 429 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28612164299) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113540209 + ... + 113540460.

It is an arithmetic number, because the mean of its divisors is an integer number (2952048710).

Almost surely, 2^28612164294 is an apocalyptic number.

28612164294 is an abundant number, since it is smaller than the sum of its proper divisors (42237004746).

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

28612164294 is a wasteful number, since it uses less digits than its factorization.

28612164294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227080684 (or 227080681 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The spelling of 28612164294 in words is "twenty-eight billion, six hundred twelve million, one hundred sixty-four thousand, two hundred ninety-four".