28740853762866 has 24 divisors (see below), whose sum is σ = 71167828365504. Its totient is φ = 8211672503640.

The previous prime is 28740853762849. The next prime is 28740853762871. The reversal of 28740853762866 is 66826735804782.

28740853762866 is a `hidden beast` number, since 2 + 8 + 7 + 4 + 0 + 8 + 537 + 6 + 2 + 86 + 6 = 666.

It is a super-2 number, since 2×28740853762866² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28740853762794 and 28740853762803.

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 11 ways as a sum of consecutive naturals, for example, 114051006870 + ... + 114051007121.

It is an arithmetic number, because the mean of its divisors is an integer number (2965326181896).

Almost surely, 2^{28740853762866} is an apocalyptic number.

28740853762866 is an abundant number, since it is smaller than the sum of its proper divisors (42426974602638).

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

28740853762866 is a wasteful number, since it uses less digits than its factorization.

28740853762866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228102014006 (or 228102014003 counting only the distinct ones).

The product of its (nonzero) digits is 1300561920, while the sum is 72.

The spelling of 28740853762866 in words is "twenty-eight trillion, seven hundred forty billion, eight hundred fifty-three million, seven hundred sixty-two thousand, eight hundred sixty-six".