28582767796313 has 4 divisors (see below), whose sum is σ = 29504792563968. Its totient is φ = 27660743028660.

The previous prime is 28582767796307. The next prime is 28582767796327. The reversal of 28582767796313 is 31369776728582.

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 not a de Polignac number, because 28582767796313 - 2¹² = 28582767792217 is a prime.

It is a super-2 number, since 2×28582767796313² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28582767796013) 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, 461012383781 + ... + 461012383842.

It is an arithmetic number, because the mean of its divisors is an integer number (7376198140992).

Almost surely, 2^{28582767796313} is an apocalyptic number.

It is an amenable number.

28582767796313 is a deficient number, since it is larger than the sum of its proper divisors (922024767655).

28582767796313 is an equidigital number, since it uses as much as digits as its factorization.

28582767796313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922024767654.

The product of its digits is 1280240640, while the sum is 74.

The spelling of 28582767796313 in words is "twenty-eight trillion, five hundred eighty-two billion, seven hundred sixty-seven million, seven hundred ninety-six thousand, three hundred thirteen".