80236157 has 2 divisors, whose sum is σ = 80236158. Its totient is φ = 80236156.

The previous prime is 80236133. The next prime is 80236159. The reversal of 80236157 is 75163208.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68326756 + 11909401 = 8266^2 + 3451^2 .

It is a cyclic number.

It is not a de Polignac number, because 80236157 - 2⁸ = 80235901 is a prime.

Together with 80236159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80236159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40118078 + 40118079.

It is an arithmetic number, because the mean of its divisors is an integer number (40118079).

Almost surely, 2^80236157 is an apocalyptic number.

It is an amenable number.

80236157 is a deficient number, since it is larger than the sum of its proper divisors (1).

80236157 is an equidigital number, since it uses as much as digits as its factorization.

80236157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 80236157 is about 8957.4637593462. The cubic root of 80236157 is about 431.3105088519.

The spelling of 80236157 in words is "eighty million, two hundred thirty-six thousand, one hundred fifty-seven".