28002775500058 has 4 divisors (see below), whose sum is σ = 42004163250090. Its totient is φ = 14001387750028.

The previous prime is 28002775500053. The next prime is 28002775500137. The reversal of 28002775500058 is 85000557720082.

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., 16008377096209 + 11994398403849 = 4001047^2 + 3463293^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 28002775499984 and 28002775500020.

It is not an unprimeable number, because it can be changed into a prime (28002775500053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7000693875013 + ... + 7000693875016.

Almost surely, 2^{28002775500058} is an apocalyptic number.

28002775500058 is a deficient number, since it is larger than the sum of its proper divisors (14001387750032).

28002775500058 is a wasteful number, since it uses less digits than its factorization.

28002775500058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14001387750031.

The product of its (nonzero) digits is 1568000, while the sum is 49.

The spelling of 28002775500058 in words is "twenty-eight trillion, two billion, seven hundred seventy-five million, five hundred thousand, fifty-eight".