28297300348 has 12 divisors (see below), whose sum is σ = 49653040360. Its totient is φ = 14110717392.

The previous prime is 28297300327. The next prime is 28297300351. The reversal of 28297300348 is 84300379282.

It is a super-2 number, since 2×28297300348² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28297300298 and 28297300307.

It is a congruent number.

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, 9481518 + ... + 9484501.

Almost surely, 2^28297300348 is an apocalyptic number.

It is an amenable number.

28297300348 is a deficient number, since it is larger than the sum of its proper divisors (21355740012).

28297300348 is a wasteful number, since it uses less digits than its factorization.

28297300348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18966396 (or 18966394 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 28297300348 in words is "twenty-eight billion, two hundred ninety-seven million, three hundred thousand, three hundred forty-eight".