80175421980 has 72 divisors (see below), whose sum is σ = 247185679104. Its totient is φ = 21029616000.

The previous prime is 80175421973. The next prime is 80175421993. The reversal of 80175421980 is 8912457108.

80175421980 is a `hidden beast` number, since 8 + 0 + 17 + 542 + 1 + 98 + 0 = 666.

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 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, 3639996 + ... + 3661955.

It is an arithmetic number, because the mean of its divisors is an integer number (3433134432).

Almost surely, 2^80175421980 is an apocalyptic number.

It is an amenable number.

80175421980 is an abundant number, since it is smaller than the sum of its proper divisors (167010257124).

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

80175421980 is a wasteful number, since it uses less digits than its factorization.

80175421980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7302027 (or 7302022 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The spelling of 80175421980 in words is "eighty billion, one hundred seventy-five million, four hundred twenty-one thousand, nine hundred eighty".