80578075000 has 96 divisors (see below), whose sum is σ = 189093366000. Its totient is φ = 32188480000.

The previous prime is 80578074953. The next prime is 80578075021. The reversal of 80578075000 is 57087508.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24423351 + ... + 24426649.

Almost surely, 2^80578075000 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 80578075000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94546683000).

80578075000 is an abundant number, since it is smaller than the sum of its proper divisors (108515291000).

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

80578075000 is an equidigital number, since it uses as much as digits as its factorization.

80578075000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4307 (or 4283 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 40.

The spelling of 80578075000 in words is "eighty billion, five hundred seventy-eight million, seventy-five thousand".