28062886413 has 4 divisors (see below), whose sum is σ = 37417181888. Its totient is φ = 18708590940.

The previous prime is 28062886403. The next prime is 28062886421. The reversal of 28062886413 is 31468826082.

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 28062886413 - 2⁵ = 28062886381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28062886403) 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, 4677147733 + ... + 4677147738.

It is an arithmetic number, because the mean of its divisors is an integer number (9354295472).

Almost surely, 2^28062886413 is an apocalyptic number.

It is an amenable number.

28062886413 is a deficient number, since it is larger than the sum of its proper divisors (9354295475).

28062886413 is an equidigital number, since it uses as much as digits as its factorization.

28062886413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9354295474.

The product of its (nonzero) digits is 884736, while the sum is 48.

The spelling of 28062886413 in words is "twenty-eight billion, sixty-two million, eight hundred eighty-six thousand, four hundred thirteen".