28385066076 has 24 divisors (see below), whose sum is σ = 68021871120. Its totient is φ = 9205967232.

The previous prime is 28385066071. The next prime is 28385066081. The reversal of 28385066076 is 67066058382.

It is an interprime number because it is at equal distance from previous prime (28385066071) and next prime (28385066081).

It is a super-2 number, since 2×28385066076² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28385066071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31964721 + ... + 31965608.

It is an arithmetic number, because the mean of its divisors is an integer number (2834244630).

Almost surely, 2^28385066076 is an apocalyptic number.

It is an amenable number.

28385066076 is an abundant number, since it is smaller than the sum of its proper divisors (39636805044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28385066076 is a wasteful number, since it uses less digits than its factorization.

28385066076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63930373 (or 63930371 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 28385066076 in words is "twenty-eight billion, three hundred eighty-five million, sixty-six thousand, seventy-six".