80755775100 has 1296 divisors, whose sum is σ = 355502871360. Its totient is φ = 14902272000.

The previous prime is 80755775081. The next prime is 80755775117. The reversal of 80755775100 is 157755708.

80755775100 is a `hidden beast` number, since 8 + 0 + 75 + 577 + 5 + 1 + 0 + 0 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 287386960 + ... + 287387240.

Almost surely, 2^80755775100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80755775100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177751435680).

80755775100 is an abundant number, since it is smaller than the sum of its proper divisors (274747096260).

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

80755775100 is a wasteful number, since it uses less digits than its factorization.

80755775100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 343000, while the sum is 45.

The spelling of 80755775100 in words is "eighty billion, seven hundred fifty-five million, seven hundred seventy-five thousand, one hundred".