80653760 has 84 divisors (see below), whose sum is σ = 211205064. Its totient is φ = 29314560.

The previous prime is 80653759. The next prime is 80653829. The reversal of 80653760 is 6735608.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 80653760.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37679 + ... + 39761.

It is an arithmetic number, because the mean of its divisors is an integer number (2514346).

Almost surely, 2^80653760 is an apocalyptic number.

80653760 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 80653760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105602532).

80653760 is an abundant number, since it is smaller than the sum of its proper divisors (130551304).

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

80653760 is a wasteful number, since it uses less digits than its factorization.

80653760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122 (or 2101 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 80653760 is about 8980.7438444708. The cubic root of 80653760 is about 432.0574912055.

The spelling of 80653760 in words is "eighty million, six hundred fifty-three thousand, seven hundred sixty".