80747807 has 8 divisors (see below), whose sum is σ = 97711776. Its totient is φ = 65140992.

The previous prime is 80747789. The next prime is 80747837. The reversal of 80747807 is 70874708.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80747807 - 2¹⁸ = 80485663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80747837) 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 7 ways as a sum of consecutive naturals, for example, 339158 + ... + 339395.

It is an arithmetic number, because the mean of its divisors is an integer number (12213972).

Almost surely, 2^80747807 is an apocalyptic number.

80747807 is a deficient number, since it is larger than the sum of its proper divisors (16963969).

80747807 is a wasteful number, since it uses less digits than its factorization.

80747807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678577.

The product of its (nonzero) digits is 87808, while the sum is 41.

The square root of 80747807 is about 8985.9783551932. The cubic root of 80747807 is about 432.2253607396.

The spelling of 80747807 in words is "eighty million, seven hundred forty-seven thousand, eight hundred seven".