28738610710830 has 64 divisors (see below), whose sum is σ = 76863702876480. Its totient is φ = 7640888758272.

The previous prime is 28738610710813. The next prime is 28738610710841. The reversal of 28738610710830 is 3801701683782.

28738610710830 is a `hidden beast` number, since 2 + 8 + 7 + 3 + 8 + 610 + 7 + 10 + 8 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157830819 + ... + 158012798.

It is an arithmetic number, because the mean of its divisors is an integer number (1200995357445).

Almost surely, 2^{28738610710830} is an apocalyptic number.

28738610710830 is an abundant number, since it is smaller than the sum of its proper divisors (48125092165650).

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

28738610710830 is a wasteful number, since it uses less digits than its factorization.

28738610710830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315843970 (or 315843964 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The spelling of 28738610710830 in words is "twenty-eight trillion, seven hundred thirty-eight billion, six hundred ten million, seven hundred ten thousand, eight hundred thirty".