80938787 has 2 divisors, whose sum is σ = 80938788. Its totient is φ = 80938786.

The previous prime is 80938763. The next prime is 80938859. The reversal of 80938787 is 78783908.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80938787 - 2²⁰ = 79890211 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80938687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40469393 + 40469394.

It is an arithmetic number, because the mean of its divisors is an integer number (40469394).

Almost surely, 2^80938787 is an apocalyptic number.

80938787 is a deficient number, since it is larger than the sum of its proper divisors (1).

80938787 is an equidigital number, since it uses as much as digits as its factorization.

80938787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 50.

The square root of 80938787 is about 8996.5986350398. The cubic root of 80938787 is about 432.5658505100.

The spelling of 80938787 in words is "eighty million, nine hundred thirty-eight thousand, seven hundred eighty-seven".