28604557270 has 16 divisors (see below), whose sum is σ = 51494953680. Its totient is φ = 11440322784.

The previous prime is 28604557259. The next prime is 28604557273. The reversal of 28604557270 is 7275540682.

It is a super-2 number, since 2×28604557270² (a number of 22 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 28604557270.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28604557273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105732 + ... + 261511.

It is an arithmetic number, because the mean of its divisors is an integer number (3218434605).

Almost surely, 2^28604557270 is an apocalyptic number.

28604557270 is a deficient number, since it is larger than the sum of its proper divisors (22890396410).

28604557270 is a wasteful number, since it uses less digits than its factorization.

28604557270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375039.

The product of its (nonzero) digits is 940800, while the sum is 46.

The spelling of 28604557270 in words is "twenty-eight billion, six hundred four million, five hundred fifty-seven thousand, two hundred seventy".