80983879 has 2 divisors, whose sum is σ = 80983880. Its totient is φ = 80983878.

The previous prime is 80983843. The next prime is 80983883. The reversal of 80983879 is 97838908.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80983879 - 2⁷ = 80983751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80983829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40491939 + 40491940.

It is an arithmetic number, because the mean of its divisors is an integer number (40491940).

Almost surely, 2^80983879 is an apocalyptic number.

80983879 is a deficient number, since it is larger than the sum of its proper divisors (1).

80983879 is an equidigital number, since it uses as much as digits as its factorization.

80983879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 80983879 is about 8999.1043443223. The cubic root of 80983879 is about 432.6461648602.

The spelling of 80983879 in words is "eighty million, nine hundred eighty-three thousand, eight hundred seventy-nine".