80809701 has 16 divisors (see below), whose sum is σ = 123637248. Its totient is φ = 45990000.

The previous prime is 80809697. The next prime is 80809709. The reversal of 80809701 is 10790808.

It is not a de Polignac number, because 80809701 - 2² = 80809697 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80809709) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2395 + ... + 12936.

It is an arithmetic number, because the mean of its divisors is an integer number (7727328).

Almost surely, 2^80809701 is an apocalyptic number.

It is an amenable number.

80809701 is a deficient number, since it is larger than the sum of its proper divisors (42827547).

80809701 is a wasteful number, since it uses less digits than its factorization.

80809701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15592.

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 80809701 is about 8989.4216165446. The cubic root of 80809701 is about 432.3357675528.

The spelling of 80809701 in words is "eighty million, eight hundred nine thousand, seven hundred one".