305869679828 has 24 divisors (see below), whose sum is σ = 536260527264. Its totient is φ = 152652636000.

The previous prime is 305869679827. The next prime is 305869679839. The reversal of 305869679828 is 828976968503.

It is a super-2 number, since 2×305869679828² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305869679827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5060063 + ... + 5120153.

It is an arithmetic number, because the mean of its divisors is an integer number (22344188636).

Almost surely, 2^305869679828 is an apocalyptic number.

It is an amenable number.

305869679828 is a deficient number, since it is larger than the sum of its proper divisors (230390847436).

305869679828 is a wasteful number, since it uses less digits than its factorization.

305869679828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62423 (or 62421 counting only the distinct ones).

The product of its (nonzero) digits is 313528320, while the sum is 71.

The spelling of 305869679828 in words is "three hundred five billion, eight hundred sixty-nine million, six hundred seventy-nine thousand, eight hundred twenty-eight".