80742807 has 12 divisors (see below), whose sum is σ = 116840880. Its totient is φ = 53730528.

The previous prime is 80742803. The next prime is 80742829. The reversal of 80742807 is 70824708.

It is not a de Polignac number, because 80742807 - 2² = 80742803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80742803) 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 11 ways as a sum of consecutive naturals, for example, 2763 + ... + 13004.

It is an arithmetic number, because the mean of its divisors is an integer number (9736740).

Almost surely, 2^80742807 is an apocalyptic number.

80742807 is a deficient number, since it is larger than the sum of its proper divisors (36098073).

80742807 is a wasteful number, since it uses less digits than its factorization.

80742807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16342 (or 16339 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 80742807 is about 8985.7001396664. The cubic root of 80742807 is about 432.2164392531.

The spelling of 80742807 in words is "eighty million, seven hundred forty-two thousand, eight hundred seven".