80768761 has 8 divisors (see below), whose sum is σ = 81640800. Its totient is φ = 79901088.

The previous prime is 80768719. The next prime is 80768783. The reversal of 80768761 is 16786708.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80768761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80768461) 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, 46690 + ... + 48388.

It is an arithmetic number, because the mean of its divisors is an integer number (10205100).

Almost surely, 2^80768761 is an apocalyptic number.

It is an amenable number.

80768761 is a deficient number, since it is larger than the sum of its proper divisors (872039).

80768761 is a wasteful number, since it uses less digits than its factorization.

80768761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 80768761 is about 8987.1442071439. The cubic root of 80768761 is about 432.2627449000.

The spelling of 80768761 in words is "eighty million, seven hundred sixty-eight thousand, seven hundred sixty-one".