80748751 has 2 divisors, whose sum is σ = 80748752. Its totient is φ = 80748750.

The previous prime is 80748743. The next prime is 80748761. The reversal of 80748751 is 15784708.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80748751 - 2³ = 80748743 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80748761) 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 as a sum of consecutive naturals, namely, 40374375 + 40374376.

It is an arithmetic number, because the mean of its divisors is an integer number (40374376).

Almost surely, 2^80748751 is an apocalyptic number.

80748751 is a deficient number, since it is larger than the sum of its proper divisors (1).

80748751 is an equidigital number, since it uses as much as digits as its factorization.

80748751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62720, while the sum is 40.

The square root of 80748751 is about 8986.0308813180. The cubic root of 80748751 is about 432.2270450749.

The spelling of 80748751 in words is "eighty million, seven hundred forty-eight thousand, seven hundred fifty-one".