28064576346 has 8 divisors (see below), whose sum is σ = 56129152704. Its totient is φ = 9354858780.

The previous prime is 28064576339. The next prime is 28064576347. The reversal of 28064576346 is 64367546082.

It is a happy number.

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

28064576346 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (28064576347) 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, 2338714690 + ... + 2338714701.

It is an arithmetic number, because the mean of its divisors is an integer number (7016144088).

Almost surely, 2^28064576346 is an apocalyptic number.

28064576346 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28064576346 is a wasteful number, since it uses less digits than its factorization.

28064576346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4677429396.

The product of its (nonzero) digits is 5806080, while the sum is 51.

The spelling of 28064576346 in words is "twenty-eight billion, sixty-four million, five hundred seventy-six thousand, three hundred forty-six".