80078080 has 72 divisors (see below), whose sum is σ = 194666472. Its totient is φ = 31555584.

The previous prime is 80078021. The next prime is 80078081. The reversal of 80078080 is 8087008.

It can be written as a sum of positive squares in 4 ways, for example, as 26378496 + 53699584 = 5136^2 + 7328^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80078081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93012 + ... + 93868.

It is an arithmetic number, because the mean of its divisors is an integer number (2703701).

Almost surely, 2^80078080 is an apocalyptic number.

80078080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80078080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97333236).

80078080 is an abundant number, since it is smaller than the sum of its proper divisors (114588392).

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

80078080 is an equidigital number, since it uses as much as digits as its factorization.

80078080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951 (or 937 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 80078080 is about 8948.6356501983. The cubic root of 80078080 is about 431.0270743091.

The spelling of 80078080 in words is "eighty million, seventy-eight thousand, eighty".