28773218540700 has 108 divisors (see below), whose sum is σ = 95493234760560. Its totient is φ = 7221513669120.

The previous prime is 28773218540663. The next prime is 28773218540723. The reversal of 28773218540700 is 704581237782.

28773218540700 is a `hidden beast` number, since 2 + 8 + 7 + 7 + 3 + 21 + 8 + 540 + 70 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 940285960 + ... + 940316559.

Almost surely, 2^{28773218540700} is an apocalyptic number.

28773218540700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28773218540700 is an abundant number, since it is smaller than the sum of its proper divisors (66720016219860).

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

28773218540700 is a wasteful number, since it uses less digits than its factorization.

28773218540700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880602556 (or 1880602546 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 54.

The spelling of 28773218540700 in words is "twenty-eight trillion, seven hundred seventy-three billion, two hundred eighteen million, five hundred forty thousand, seven hundred".