28357162203 has 8 divisors (see below), whose sum is σ = 37810450000. Its totient is φ = 18904324608.

The previous prime is 28357162201. The next prime is 28357162213. The reversal of 28357162203 is 30226175382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28357162203 - 2¹ = 28357162201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28357162201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82923 + ... + 252171.

It is an arithmetic number, because the mean of its divisors is an integer number (4726306250).

Almost surely, 2^28357162203 is an apocalyptic number.

28357162203 is a deficient number, since it is larger than the sum of its proper divisors (9453287797).

28357162203 is a wasteful number, since it uses less digits than its factorization.

28357162203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225101.

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 28357162203 in words is "twenty-eight billion, three hundred fifty-seven million, one hundred sixty-two thousand, two hundred three".