80866472700 has 144 divisors (see below), whose sum is σ = 255424200416. Its totient is φ = 19632844800.

The previous prime is 80866472677. The next prime is 80866472719. The reversal of 80866472700 is 727466808.

It is a self number, because there is not a number n which added to its sum of digits gives 80866472700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 142680 + ... + 426720.

Almost surely, 2^80866472700 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 80866472700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127712100208).

80866472700 is an abundant number, since it is smaller than the sum of its proper divisors (174557727716).

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

80866472700 is a wasteful number, since it uses less digits than its factorization.

80866472700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284144 (or 284137 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 48.

The spelling of 80866472700 in words is "eighty billion, eight hundred sixty-six million, four hundred seventy-two thousand, seven hundred".