80988311 has 2 divisors, whose sum is σ = 80988312. Its totient is φ = 80988310.

The previous prime is 80988263. The next prime is 80988331. The reversal of 80988311 is 11388908.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80988311 - 2¹⁰ = 80987287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80988331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40494155 + 40494156.

It is an arithmetic number, because the mean of its divisors is an integer number (40494156).

Almost surely, 2^80988311 is an apocalyptic number.

80988311 is a deficient number, since it is larger than the sum of its proper divisors (1).

80988311 is an equidigital number, since it uses as much as digits as its factorization.

80988311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 38.

The square root of 80988311 is about 8999.3505876813. The cubic root of 80988311 is about 432.6540571833.

The spelling of 80988311 in words is "eighty million, nine hundred eighty-eight thousand, three hundred eleven".