28061402602 has 8 divisors (see below), whose sum is σ = 42423538176. Its totient is φ = 13920223212.

The previous prime is 28061402599. The next prime is 28061402657. The reversal of 28061402602 is 20620416082.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55238728 + ... + 55239235.

It is an arithmetic number, because the mean of its divisors is an integer number (5302942272).

Almost surely, 2^28061402602 is an apocalyptic number.

28061402602 is a deficient number, since it is larger than the sum of its proper divisors (14362135574).

28061402602 is a wasteful number, since it uses less digits than its factorization.

28061402602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110478092.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 28061402602 its reverse (20620416082), we get a palindrome (48681818684).

The spelling of 28061402602 in words is "twenty-eight billion, sixty-one million, four hundred two thousand, six hundred two".