28601764822250 has 32 divisors (see below), whose sum is σ = 56692062799632. Its totient is φ = 10767723225600.

The previous prime is 28601764822249. The next prime is 28601764822271. The reversal of 28601764822250 is 5222846710682.

It can be written as a sum of positive squares in 8 ways, for example, as 1846149930361 + 26755614891889 = 1358731^2 + 5172583^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28601764822192 and 28601764822201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3364909259 + ... + 3364917758.

Almost surely, 2^{28601764822250} is an apocalyptic number.

28601764822250 is a deficient number, since it is larger than the sum of its proper divisors (28090297977382).

28601764822250 is a wasteful number, since it uses less digits than its factorization.

28601764822250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6729827051 (or 6729827041 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 53.

The spelling of 28601764822250 in words is "twenty-eight trillion, six hundred one billion, seven hundred sixty-four million, eight hundred twenty-two thousand, two hundred fifty".