28300780058 has 4 divisors (see below), whose sum is σ = 42451170090. Its totient is φ = 14150390028.

The previous prime is 28300780033. The next prime is 28300780129. The reversal of 28300780058 is 85008700382.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85008700382 = 2 ⋅42504350191.

It can be written as a sum of positive squares in only one way, i.e., 20188715569 + 8112064489 = 142087^2 + 90067^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28300779997 and 28300780024.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7075195013 + ... + 7075195016.

Almost surely, 2^28300780058 is an apocalyptic number.

28300780058 is a deficient number, since it is larger than the sum of its proper divisors (14150390032).

28300780058 is a wasteful number, since it uses less digits than its factorization.

28300780058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14150390031.

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 28300780058 in words is "twenty-eight billion, three hundred million, seven hundred eighty thousand, fifty-eight".