80497701 has 6 divisors (see below), whose sum is σ = 116274470. Its totient is φ = 53665128.

The previous prime is 80497679. The next prime is 80497709. The reversal of 80497701 is 10779408.

It can be written as a sum of positive squares in only one way, i.e., 57744801 + 22752900 = 7599^2 + 4770^2 .

It is a de Polignac number, because none of the positive numbers 2^k-80497701 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80497709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4472086 + ... + 4472103.

Almost surely, 2^80497701 is an apocalyptic number.

It is an amenable number.

80497701 is a deficient number, since it is larger than the sum of its proper divisors (35776769).

80497701 is a wasteful number, since it uses less digits than its factorization.

80497701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8944195 (or 8944192 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 80497701 is about 8972.0511032874. The cubic root of 80497701 is about 431.7786449570.

The spelling of 80497701 in words is "eighty million, four hundred ninety-seven thousand, seven hundred one".