28545107562 has 16 divisors (see below), whose sum is σ = 63433572480. Its totient is φ = 9515035836.

The previous prime is 28545107491. The next prime is 28545107579. The reversal of 28545107562 is 26570154582.

28545107562 is a `hidden beast` number, since 2 + 8 + 5 + 4 + 510 + 75 + 62 = 666.

It is a super-2 number, since 2×28545107562² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264306498 + ... + 264306605.

It is an arithmetic number, because the mean of its divisors is an integer number (3964598280).

Almost surely, 2^28545107562 is an apocalyptic number.

28545107562 is an abundant number, since it is smaller than the sum of its proper divisors (34888464918).

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

28545107562 is a wasteful number, since it uses less digits than its factorization.

28545107562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528613114 (or 528613108 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The spelling of 28545107562 in words is "twenty-eight billion, five hundred forty-five million, one hundred seven thousand, five hundred sixty-two".