28572714633 has 4 divisors (see below), whose sum is σ = 38096952848. Its totient is φ = 19048476420.

The previous prime is 28572714617. The next prime is 28572714659. The reversal of 28572714633 is 33641727582.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 28572714633 - 2⁴ = 28572714617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28572714683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4762119103 + ... + 4762119108.

It is an arithmetic number, because the mean of its divisors is an integer number (9524238212).

Almost surely, 2^28572714633 is an apocalyptic number.

It is an amenable number.

28572714633 is a deficient number, since it is larger than the sum of its proper divisors (9524238215).

28572714633 is an equidigital number, since it uses as much as digits as its factorization.

28572714633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9524238214.

The product of its digits is 1693440, while the sum is 48.

The spelling of 28572714633 in words is "twenty-eight billion, five hundred seventy-two million, seven hundred fourteen thousand, six hundred thirty-three".