28125284260635 has 48 divisors (see below), whose sum is σ = 50085693032544. Its totient is φ = 14589606076416.

The previous prime is 28125284260583. The next prime is 28125284260673. The reversal of 28125284260635 is 53606248252182.

28125284260635 is a `hidden beast` number, since 2 + 8 + 1 + 2 + 5 + 28 + 4 + 2 + 606 + 3 + 5 = 666.

It is not a de Polignac number, because 28125284260635 - 2¹² = 28125284256539 is a prime.

It is a super-2 number, since 2×28125284260635² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1762779 + ... + 7704411.

It is an arithmetic number, because the mean of its divisors is an integer number (1043451938178).

Almost surely, 2^{28125284260635} is an apocalyptic number.

28125284260635 is a deficient number, since it is larger than the sum of its proper divisors (21960408771909).

28125284260635 is a wasteful number, since it uses less digits than its factorization.

28125284260635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5944524 (or 5944521 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 54.

The spelling of 28125284260635 in words is "twenty-eight trillion, one hundred twenty-five billion, two hundred eighty-four million, two hundred sixty thousand, six hundred thirty-five".