28889855894202 has 32 divisors (see below), whose sum is σ = 59066667970560. Its totient is φ = 9417168373680.

The previous prime is 28889855894191. The next prime is 28889855894203. The reversal of 28889855894202 is 20249855898882.

It is not an unprimeable number, because it can be changed into a prime (28889855894203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213570508 + ... + 213705735.

It is an arithmetic number, because the mean of its divisors is an integer number (1845833374080).

Almost surely, 2^{28889855894202} is an apocalyptic number.

28889855894202 is an abundant number, since it is smaller than the sum of its proper divisors (30176812076358).

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

28889855894202 is a wasteful number, since it uses less digits than its factorization.

28889855894202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427276498.

The product of its (nonzero) digits is 2123366400, while the sum is 78.

The spelling of 28889855894202 in words is "twenty-eight trillion, eight hundred eighty-nine billion, eight hundred fifty-five million, eight hundred ninety-four thousand, two hundred two".