28572901887430 has 64 divisors (see below), whose sum is σ = 51866726977728. Its totient is φ = 11332729336320.

The previous prime is 28572901887389. The next prime is 28572901887473. The reversal of 28572901887430 is 3478810927582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2009197720 + ... + 2009211940.

It is an arithmetic number, because the mean of its divisors is an integer number (810417609027).

Almost surely, 2^{28572901887430} is an apocalyptic number.

28572901887430 is a deficient number, since it is larger than the sum of its proper divisors (23293825090298).

28572901887430 is a wasteful number, since it uses less digits than its factorization.

28572901887430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17161.

The product of its (nonzero) digits is 54190080, while the sum is 64.

The spelling of 28572901887430 in words is "twenty-eight trillion, five hundred seventy-two billion, nine hundred one million, eight hundred eighty-seven thousand, four hundred thirty".