80297761 has 16 divisors (see below), whose sum is σ = 87091200. Its totient is φ = 73839568.

The previous prime is 80297753. The next prime is 80297771. The reversal of 80297761 is 16779208.

It is not a de Polignac number, because 80297761 - 2³ = 80297753 is a prime.

It is a super-2 number, since 2×80297761² = 12895460843226242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80297731) 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, 63150 + ... + 64408.

It is an arithmetic number, because the mean of its divisors is an integer number (5443200).

Almost surely, 2^80297761 is an apocalyptic number.

It is an amenable number.

80297761 is a deficient number, since it is larger than the sum of its proper divisors (6793439).

80297761 is a wasteful number, since it uses less digits than its factorization.

80297761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 80297761 is about 8960.9017961364. The cubic root of 80297761 is about 431.4208649821.

The spelling of 80297761 in words is "eighty million, two hundred ninety-seven thousand, seven hundred sixty-one".