28678602482 has 4 divisors (see below), whose sum is σ = 43017903726. Its totient is φ = 14339301240.

The previous prime is 28678602467. The next prime is 28678602493. The reversal of 28678602482 is 28420687682.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28420687682 = 2 ⋅14210343841.

It can be written as a sum of positive squares in only one way, i.e., 27013880881 + 1664721601 = 164359^2 + 40801^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7169650619 + ... + 7169650622.

Almost surely, 2^28678602482 is an apocalyptic number.

28678602482 is a deficient number, since it is larger than the sum of its proper divisors (14339301244).

28678602482 is a wasteful number, since it uses less digits than its factorization.

28678602482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14339301243.

The product of its (nonzero) digits is 4128768, while the sum is 53.

The spelling of 28678602482 in words is "twenty-eight billion, six hundred seventy-eight million, six hundred two thousand, four hundred eighty-two".