28776166224 has 80 divisors (see below), whose sum is σ = 81918631872. Its totient is φ = 8648285184.

The previous prime is 28776166189. The next prime is 28776166259. The reversal of 28776166224 is 42266167782.

It is an interprime number because it is at equal distance from previous prime (28776166189) and next prime (28776166259).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 509397 + ... + 563060.

Almost surely, 2^28776166224 is an apocalyptic number.

28776166224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28776166224 is an abundant number, since it is smaller than the sum of its proper divisors (53142465648).

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

28776166224 is a wasteful number, since it uses less digits than its factorization.

28776166224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072524 (or 1072518 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 51.

It can be divided in two parts, 28776 and 166224, that added together give a triangular number (195000 = T₆₂₄).

The spelling of 28776166224 in words is "twenty-eight billion, seven hundred seventy-six million, one hundred sixty-six thousand, two hundred twenty-four".