80802959 has 2 divisors, whose sum is σ = 80802960. Its totient is φ = 80802958.

The previous prime is 80802949. The next prime is 80803001. The reversal of 80802959 is 95920808.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80802959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80802949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40401479 + 40401480.

It is an arithmetic number, because the mean of its divisors is an integer number (40401480).

Almost surely, 2^80802959 is an apocalyptic number.

80802959 is a deficient number, since it is larger than the sum of its proper divisors (1).

80802959 is an equidigital number, since it uses as much as digits as its factorization.

80802959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 80802959 is about 8989.0466124056. The cubic root of 80802959 is about 432.3237438775.

The spelling of 80802959 in words is "eighty million, eight hundred two thousand, nine hundred fifty-nine".