80878151 has 2 divisors, whose sum is σ = 80878152. Its totient is φ = 80878150.

The previous prime is 80878121. The next prime is 80878181. The reversal of 80878151 is 15187808.

It is a balanced prime because it is at equal distance from previous prime (80878121) and next prime (80878181).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80878151 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80878121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40439075 + 40439076.

It is an arithmetic number, because the mean of its divisors is an integer number (40439076).

Almost surely, 2^80878151 is an apocalyptic number.

80878151 is a deficient number, since it is larger than the sum of its proper divisors (1).

80878151 is an equidigital number, since it uses as much as digits as its factorization.

80878151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17920, while the sum is 38.

The square root of 80878151 is about 8993.2280633819. The cubic root of 80878151 is about 432.4578033609.

The spelling of 80878151 in words is "eighty million, eight hundred seventy-eight thousand, one hundred fifty-one".