28545658746 has 16 divisors (see below), whose sum is σ = 62281437408. Its totient is φ = 8650199600.

The previous prime is 28545658721. The next prime is 28545658753. The reversal of 28545658746 is 64785654582.

It is a self number, because there is not a number n which added to its sum of digits gives 28545658746.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216254925 + ... + 216255056.

It is an arithmetic number, because the mean of its divisors is an integer number (3892589838).

Almost surely, 2^28545658746 is an apocalyptic number.

28545658746 is an abundant number, since it is smaller than the sum of its proper divisors (33735778662).

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

28545658746 is a wasteful number, since it uses less digits than its factorization.

28545658746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432509997.

The product of its digits is 64512000, while the sum is 60.

The spelling of 28545658746 in words is "twenty-eight billion, five hundred forty-five million, six hundred fifty-eight thousand, seven hundred forty-six".