80716451 has 2 divisors, whose sum is σ = 80716452. Its totient is φ = 80716450.

The previous prime is 80716439. The next prime is 80716463. The reversal of 80716451 is 15461708.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (80716439) and next prime (80716463).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80716451 is a prime.

It is a Chen prime.

It is equal to p_4708733 and since 80716451 and 4708733 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (80716751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40358225 + 40358226.

It is an arithmetic number, because the mean of its divisors is an integer number (40358226).

Almost surely, 2^80716451 is an apocalyptic number.

80716451 is a deficient number, since it is larger than the sum of its proper divisors (1).

80716451 is an equidigital number, since it uses as much as digits as its factorization.

80716451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 80716451 is about 8984.2334675809. The cubic root of 80716451 is about 432.1694062249.

The spelling of 80716451 in words is "eighty million, seven hundred sixteen thousand, four hundred fifty-one".