28556354601 has 16 divisors (see below), whose sum is σ = 42321739200. Its totient is φ = 19030356864.

The previous prime is 28556354591. The next prime is 28556354609. The reversal of 28556354601 is 10645365582.

28556354601 is a `hidden beast` number, since 2 + 8 + 5 + 5 + 6 + 35 + 4 + 601 = 666.

It is not a de Polignac number, because 28556354601 - 2⁹ = 28556354089 is a prime.

It is a super-3 number, since 3×28556354601³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (28556354609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127291 + ... + 270768.

It is an arithmetic number, because the mean of its divisors is an integer number (2645108700).

Almost surely, 2^28556354601 is an apocalyptic number.

It is an amenable number.

28556354601 is a deficient number, since it is larger than the sum of its proper divisors (13765384599).

28556354601 is a wasteful number, since it uses less digits than its factorization.

28556354601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400725 (or 400719 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 28556354601 in words is "twenty-eight billion, five hundred fifty-six million, three hundred fifty-four thousand, six hundred one".