80675677830 has 128 divisors (see below), whose sum is σ = 215065497600. Its totient is φ = 19202825600.

The previous prime is 80675677781. The next prime is 80675677861. The reversal of 80675677830 is 3877657608.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20071561 + ... + 20075579.

It is an arithmetic number, because the mean of its divisors is an integer number (1680199200).

Almost surely, 2^80675677830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80675677830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107532748800).

80675677830 is an abundant number, since it is smaller than the sum of its proper divisors (134389819770).

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

80675677830 is a wasteful number, since it uses less digits than its factorization.

80675677830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5130.

The product of its (nonzero) digits is 11854080, while the sum is 57.

The spelling of 80675677830 in words is "eighty billion, six hundred seventy-five million, six hundred seventy-seven thousand, eight hundred thirty".