80680716 has 36 divisors (see below), whose sum is σ = 204258600. Its totient is φ = 26851968.

The previous prime is 80680709. The next prime is 80680723. The reversal of 80680716 is 61708608.

It is an interprime number because it is at equal distance from previous prime (80680709) and next prime (80680723).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 29620 + ... + 32228.

It is an arithmetic number, because the mean of its divisors is an integer number (5673850).

Almost surely, 2^80680716 is an apocalyptic number.

It is an amenable number.

80680716 is an abundant number, since it is smaller than the sum of its proper divisors (123577884).

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

80680716 is a wasteful number, since it uses less digits than its factorization.

80680716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3478 (or 3473 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 80680716 is about 8982.2444856506. The cubic root of 80680716 is about 432.1056197510.

The spelling of 80680716 in words is "eighty million, six hundred eighty thousand, seven hundred sixteen".