84550812665600 has 216 divisors, whose sum is σ = 209590496808000. Its totient is φ = 33769618882560.

The previous prime is 84550812665597. The next prime is 84550812665623. The reversal of 84550812665600 is 656621805548.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19405738622 + ... + 19405742978.

Almost surely, 2^{84550812665600} is an apocalyptic number.

84550812665600 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84550812665600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104795248404000).

84550812665600 is an abundant number, since it is smaller than the sum of its proper divisors (125039684142400).

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

84550812665600 is a wasteful number, since it uses less digits than its factorization.

84550812665600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8235 (or 8216 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 56.

The spelling of 84550812665600 in words is "eighty-four trillion, five hundred fifty billion, eight hundred twelve million, six hundred sixty-five thousand, six hundred".