28283166976 has 81 divisors (see below), whose sum is σ = 59146599981. Its totient is φ = 13497133056.

The previous prime is 28283166973. The next prime is 28283166979. The reversal of 28283166976 is 67966138282.

The square root of 28283166976 is 168176.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (28283166973) and next prime (28283166979).

It can be written as a sum of positive squares in only one way, i.e., 24460960000 + 3822206976 = 156400^2 + 61824^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28283166976.

It is not an unprimeable number, because it can be changed into a prime (28283166973) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 61888540 + ... + 61888996.

Almost surely, 2^28283166976 is an apocalyptic number.

28283166976 is the 168176-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28283166976

28283166976 is an abundant number, since it is smaller than the sum of its proper divisors (30863433005).

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

28283166976 is an frugal number, since it uses more digits than its factorization.

28283166976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976 (or 482 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 58.

The spelling of 28283166976 in words is "twenty-eight billion, two hundred eighty-three million, one hundred sixty-six thousand, nine hundred seventy-six".