80530617600 has 648 divisors, whose sum is σ = 304253651520. Its totient is φ = 20280606720.

The previous prime is 80530617569. The next prime is 80530617613. The reversal of 80530617600 is 671603508.

80530617600 is a `hidden beast` number, since 8 + 0 + 5 + 30 + 6 + 17 + 600 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 117906859 + ... + 117907541.

It is an arithmetic number, because the mean of its divisors is an integer number (469527240).

Almost surely, 2^80530617600 is an apocalyptic number.

80530617600 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 80530617600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152126825760).

80530617600 is an abundant number, since it is smaller than the sum of its proper divisors (223723033920).

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

80530617600 is a wasteful number, since it uses less digits than its factorization.

80530617600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827 (or 805 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 80530617600 in words is "eighty billion, five hundred thirty million, six hundred seventeen thousand, six hundred".