28888571731430 has 8 divisors (see below), whose sum is σ = 51999429116592. Its totient is φ = 11555428692568.

The previous prime is 28888571731417. The next prime is 28888571731441. The reversal of 28888571731430 is 3413717588882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1444428586562 + ... + 1444428586581.

It is an arithmetic number, because the mean of its divisors is an integer number (6499928639574).

Almost surely, 2^{28888571731430} is an apocalyptic number.

28888571731430 is a deficient number, since it is larger than the sum of its proper divisors (23110857385162).

28888571731430 is a wasteful number, since it uses less digits than its factorization.

28888571731430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888857173150.

The product of its (nonzero) digits is 72253440, while the sum is 65.

The spelling of 28888571731430 in words is "twenty-eight trillion, eight hundred eighty-eight billion, five hundred seventy-one million, seven hundred thirty-one thousand, four hundred thirty".