28887413434 has 12 divisors (see below), whose sum is σ = 47628421722. Its totient is φ = 13130642360.

The previous prime is 28887413413. The next prime is 28887413441. The reversal of 28887413434 is 43431478882.

It can be written as a sum of positive squares in only one way, i.e., 28424948409 + 462465025 = 168597^2 + 21505^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59684497 + ... + 59684980.

Almost surely, 2^28887413434 is an apocalyptic number.

28887413434 is a deficient number, since it is larger than the sum of its proper divisors (18741008288).

28887413434 is a wasteful number, since it uses less digits than its factorization.

28887413434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119369501 (or 119369490 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 52.

The spelling of 28887413434 in words is "twenty-eight billion, eight hundred eighty-seven million, four hundred thirteen thousand, four hundred thirty-four".