28432583884830 has 32 divisors (see below), whose sum is σ = 68238901586304. Its totient is φ = 7581944562336.

The previous prime is 28432583884823. The next prime is 28432583884867. The reversal of 28432583884830 is 3848838523482.

It is a super-2 number, since 2×28432583884830² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1860424 + ... + 7767003.

It is an arithmetic number, because the mean of its divisors is an integer number (2132465674572).

Almost surely, 2^{28432583884830} is an apocalyptic number.

28432583884830 is an abundant number, since it is smaller than the sum of its proper divisors (39806317701474).

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

28432583884830 is a wasteful number, since it uses less digits than its factorization.

28432583884830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9725880.

The product of its (nonzero) digits is 283115520, while the sum is 66.

The spelling of 28432583884830 in words is "twenty-eight trillion, four hundred thirty-two billion, five hundred eighty-three million, eight hundred eighty-four thousand, eight hundred thirty".