28506013627 has 32 divisors (see below), whose sum is σ = 37165564800. Its totient is φ = 21217517568.

The previous prime is 28506013621. The next prime is 28506013643. The reversal of 28506013627 is 72631060582.

It is not a de Polignac number, because 28506013627 - 2⁷ = 28506013499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28506013627.

It is not an unprimeable number, because it can be changed into a prime (28506013621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5828199 + ... + 5833087.

It is an arithmetic number, because the mean of its divisors is an integer number (1161423900).

Almost surely, 2^28506013627 is an apocalyptic number.

28506013627 is a deficient number, since it is larger than the sum of its proper divisors (8659551173).

28506013627 is a wasteful number, since it uses less digits than its factorization.

28506013627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8695.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 28506013627 in words is "twenty-eight billion, five hundred six million, thirteen thousand, six hundred twenty-seven".