28762080054856 has 64 divisors (see below), whose sum is σ = 55872265218480. Its totient is φ = 13872161172480.

The previous prime is 28762080054809. The next prime is 28762080054857. The reversal of 28762080054856 is 65845008026782.

It can be written as a sum of positive squares in 8 ways, for example, as 3919172496100 + 24842907558756 = 1979690^2 + 4984266^2 .

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a junction number, because it is equal to n+sod(n) for n = 28762080054794 and 28762080054803.

It is not an unprimeable number, because it can be changed into a prime (28762080054857) by changing a digit.

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, 57609210 + ... + 58106326.

Almost surely, 2^{28762080054856} is an apocalyptic number.

It is an amenable number.

28762080054856 is a deficient number, since it is larger than the sum of its proper divisors (27110185163624).

28762080054856 is a wasteful number, since it uses less digits than its factorization.

28762080054856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499474 (or 499470 counting only the distinct ones).

The product of its (nonzero) digits is 51609600, while the sum is 61.

The spelling of 28762080054856 in words is "twenty-eight trillion, seven hundred sixty-two billion, eighty million, fifty-four thousand, eight hundred fifty-six".