80356937 has 2 divisors, whose sum is σ = 80356938. Its totient is φ = 80356936.

The previous prime is 80356931. The next prime is 80356949. The reversal of 80356937 is 73965308.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69572281 + 10784656 = 8341^2 + 3284^2 .

It is a cyclic number.

It is not a de Polignac number, because 80356937 - 2⁴ = 80356921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80356894 and 80356903.

It is not a weakly prime, because it can be changed into another prime (80356931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40178468 + 40178469.

It is an arithmetic number, because the mean of its divisors is an integer number (40178469).

Almost surely, 2^80356937 is an apocalyptic number.

It is an amenable number.

80356937 is a deficient number, since it is larger than the sum of its proper divisors (1).

80356937 is an equidigital number, since it uses as much as digits as its factorization.

80356937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 80356937 is about 8964.2030878378. The cubic root of 80356937 is about 431.5268185060.

The spelling of 80356937 in words is "eighty million, three hundred fifty-six thousand, nine hundred thirty-seven".