80742359104 has 63 divisors (see below), whose sum is σ = 176167572861. Its totient is φ = 36689706240.

The previous prime is 80742359101. The next prime is 80742359143. The reversal of 80742359104 is 40195324708.

The square root of 80742359104 is 284152.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 24288599104 + 56453760000 = 155848^2 + 237600^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80742359101) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 25003762 + ... + 25006990.

Almost surely, 2^80742359104 is an apocalyptic number.

80742359104 is the 284152-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80742359104

80742359104 is an abundant number, since it is smaller than the sum of its proper divisors (95425213757).

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

80742359104 is an frugal number, since it uses more digits than its factorization.

80742359104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6492 (or 3242 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 80742359104 in words is "eighty billion, seven hundred forty-two million, three hundred fifty-nine thousand, one hundred four".