80706501 has 6 divisors (see below), whose sum is σ = 116576070. Its totient is φ = 53804328.

The previous prime is 80706499. The next prime is 80706503. The reversal of 80706501 is 10560708.

80706501 is a `hidden beast` number, since 8 + 0 + 7 + 0 + 650 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (80706499) and next prime (80706503).

It can be written as a sum of positive squares in only one way, i.e., 64786401 + 15920100 = 8049^2 + 3990^2 .

It is not a de Polignac number, because 80706501 - 2¹ = 80706499 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80706503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4483686 + ... + 4483703.

It is an arithmetic number, because the mean of its divisors is an integer number (19429345).

Almost surely, 2^80706501 is an apocalyptic number.

It is an amenable number.

80706501 is a deficient number, since it is larger than the sum of its proper divisors (35869569).

80706501 is a wasteful number, since it uses less digits than its factorization.

80706501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8967395 (or 8967392 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 80706501 is about 8983.6797026608. The cubic root of 80706501 is about 432.1516475059.

The spelling of 80706501 in words is "eighty million, seven hundred six thousand, five hundred one".