80279760 has 160 divisors (see below), whose sum is σ = 277696512. Its totient is φ = 19018240.

The previous prime is 80279737. The next prime is 80279761. The reversal of 80279760 is 6797208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80279761) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123757 + ... + 124403.

Almost surely, 2^80279760 is an apocalyptic number.

80279760 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 80279760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138848256).

80279760 is an abundant number, since it is smaller than the sum of its proper divisors (197416752).

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

80279760 is a wasteful number, since it uses less digits than its factorization.

80279760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721 (or 715 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 80279760 is about 8959.8973208402. The cubic root of 80279760 is about 431.3886242019.

The spelling of 80279760 in words is "eighty million, two hundred seventy-nine thousand, seven hundred sixty".