80759647 has 8 divisors (see below), whose sum is σ = 84520800. Its totient is φ = 77019360.

The previous prime is 80759621. The next prime is 80759659. The reversal of 80759647 is 74695708.

It is a happy number.

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-80759647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80759597 and 80759606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80759347) 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, 2997 + ... + 13057.

It is an arithmetic number, because the mean of its divisors is an integer number (10565100).

Almost surely, 2^80759647 is an apocalyptic number.

80759647 is a deficient number, since it is larger than the sum of its proper divisors (3761153).

80759647 is a wasteful number, since it uses less digits than its factorization.

80759647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10433.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 80759647 is about 8986.6371352136. The cubic root of 80759647 is about 432.2464853511.

It can be divided in two parts, 80759 and 647, that added together give a triangular number (81406 = T₄₀₃).

The spelling of 80759647 in words is "eighty million, seven hundred fifty-nine thousand, six hundred forty-seven".