28678300387682 has 8 divisors (see below), whose sum is σ = 46928127907152. Its totient is φ = 13035591085300.

The previous prime is 28678300387643. The next prime is 28678300387687.

28678300387682 is nontrivially palindromic in base 10.

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

It is a super-2 number, since 2×28678300387682² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28678300387687) 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, 651779554244 + ... + 651779554287.

It is an arithmetic number, because the mean of its divisors is an integer number (5866015988394).

Almost surely, 2^{28678300387682} is an apocalyptic number.

28678300387682 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28678300387682 is a deficient number, since it is larger than the sum of its proper divisors (18249827519470).

28678300387682 is a wasteful number, since it uses less digits than its factorization.

28678300387682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303559108544.

The product of its (nonzero) digits is 260112384, while the sum is 68.

The spelling of 28678300387682 in words is "twenty-eight trillion, six hundred seventy-eight billion, three hundred million, three hundred eighty-seven thousand, six hundred eighty-two".