28628383790 has 8 divisors (see below), whose sum is σ = 51531090840. Its totient is φ = 11451353512.

The previous prime is 28628383759. The next prime is 28628383799. The reversal of 28628383790 is 9738382682.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28628383799) 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, 1431419180 + ... + 1431419199.

It is an arithmetic number, because the mean of its divisors is an integer number (6441386355).

Almost surely, 2^28628383790 is an apocalyptic number.

28628383790 is a deficient number, since it is larger than the sum of its proper divisors (22902707050).

28628383790 is a wasteful number, since it uses less digits than its factorization.

28628383790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2862838386.

The product of its (nonzero) digits is 6967296, while the sum is 56.

It can be divided in two parts, 286283 and 83790, that added together give a palindrome (370073).

The spelling of 28628383790 in words is "twenty-eight billion, six hundred twenty-eight million, three hundred eighty-three thousand, seven hundred ninety".