28471896346 has 4 divisors (see below), whose sum is σ = 42707844522. Its totient is φ = 14235948172.

The previous prime is 28471896337. The next prime is 28471896353. The reversal of 28471896346 is 64369817482.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18399566025 + 10072330321 = 135645^2 + 100361^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7117974085 + ... + 7117974088.

Almost surely, 2^28471896346 is an apocalyptic number.

28471896346 is a deficient number, since it is larger than the sum of its proper divisors (14235948176).

28471896346 is a wasteful number, since it uses less digits than its factorization.

28471896346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14235948175.

The product of its digits is 13934592, while the sum is 58.

The spelling of 28471896346 in words is "twenty-eight billion, four hundred seventy-one million, eight hundred ninety-six thousand, three hundred forty-six".