28224762513 has 8 divisors (see below), whose sum is σ = 37637940576. Its totient is φ = 18814046400.

The previous prime is 28224762509. The next prime is 28224762529. The reversal of 28224762513 is 31526742282.

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

It is not a de Polignac number, because 28224762513 - 2² = 28224762509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28224767513) 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, 588568 + ... + 634713.

It is an arithmetic number, because the mean of its divisors is an integer number (4704742572).

Almost surely, 2^28224762513 is an apocalyptic number.

It is an amenable number.

28224762513 is a deficient number, since it is larger than the sum of its proper divisors (9413178063).

28224762513 is a wasteful number, since it uses less digits than its factorization.

28224762513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230975.

The product of its digits is 322560, while the sum is 42.

The spelling of 28224762513 in words is "twenty-eight billion, two hundred twenty-four million, seven hundred sixty-two thousand, five hundred thirteen".