28574773132 has 12 divisors (see below), whose sum is σ = 52637740120. Its totient is φ = 13535418816.

The previous prime is 28574773121. The next prime is 28574773133. The reversal of 28574773132 is 23137747582.

It is a super-3 number, since 3×28574773132³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (28574773133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187991853 + ... + 187992004.

Almost surely, 2^28574773132 is an apocalyptic number.

It is an amenable number.

28574773132 is a deficient number, since it is larger than the sum of its proper divisors (24062966988).

28574773132 is a wasteful number, since it uses less digits than its factorization.

28574773132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375983880 (or 375983878 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 49.

The spelling of 28574773132 in words is "twenty-eight billion, five hundred seventy-four million, seven hundred seventy-three thousand, one hundred thirty-two".