28531703164350 has 96 divisors (see below), whose sum is σ = 72792348134400. Its totient is φ = 7390460787840.

The previous prime is 28531703164253. The next prime is 28531703164409. The reversal of 28531703164350 is 5346130713582.

It is a super-2 number, since 2×28531703164350² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28531703164350.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 966742 + ... + 7615641.

It is an arithmetic number, because the mean of its divisors is an integer number (758253626400).

Almost surely, 2^{28531703164350} is an apocalyptic number.

28531703164350 is an abundant number, since it is smaller than the sum of its proper divisors (44260644970050).

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

28531703164350 is a wasteful number, since it uses less digits than its factorization.

28531703164350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8583034 (or 8583029 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 28531703164350 in words is "twenty-eight trillion, five hundred thirty-one billion, seven hundred three million, one hundred sixty-four thousand, three hundred fifty".