28955118337 has 4 divisors (see below), whose sum is σ = 28957680576. Its totient is φ = 28952556100.

The previous prime is 28955118323. The next prime is 28955118349. The reversal of 28955118337 is 73381155982.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28955118337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28955118317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1264093 + ... + 1286794.

It is an arithmetic number, because the mean of its divisors is an integer number (7239420144).

Almost surely, 2^28955118337 is an apocalyptic number.

It is an amenable number.

28955118337 is a deficient number, since it is larger than the sum of its proper divisors (2562239).

28955118337 is a wasteful number, since it uses less digits than its factorization.

28955118337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562238.

The product of its digits is 1814400, while the sum is 52.

The spelling of 28955118337 in words is "twenty-eight billion, nine hundred fifty-five million, one hundred eighteen thousand, three hundred thirty-seven".