28094293155832 has 32 divisors (see below), whose sum is σ = 53485142602320. Its totient is φ = 13831761968640.

The previous prime is 28094293155809. The next prime is 28094293155833. The reversal of 28094293155832 is 23855139249082.

It is a super-2 number, since 2×28094293155832² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28094293155833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9547419 + ... + 12138442.

Almost surely, 2^{28094293155832} is an apocalyptic number.

It is an amenable number.

28094293155832 is a deficient number, since it is larger than the sum of its proper divisors (25390849446488).

28094293155832 is a wasteful number, since it uses less digits than its factorization.

28094293155832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21688351 (or 21688347 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 61.

The spelling of 28094293155832 in words is "twenty-eight trillion, ninety-four billion, two hundred ninety-three million, one hundred fifty-five thousand, eight hundred thirty-two".