80837047 has 2 divisors, whose sum is σ = 80837048. Its totient is φ = 80837046.

The previous prime is 80837027. The next prime is 80837051. The reversal of 80837047 is 74073808.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80837047 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 80836997 and 80837015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80837027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40418523 + 40418524.

It is an arithmetic number, because the mean of its divisors is an integer number (40418524).

Almost surely, 2^80837047 is an apocalyptic number.

80837047 is a deficient number, since it is larger than the sum of its proper divisors (1).

80837047 is an equidigital number, since it uses as much as digits as its factorization.

80837047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 80837047 is about 8990.9424978697. The cubic root of 80837047 is about 432.3845295224.

The spelling of 80837047 in words is "eighty million, eight hundred thirty-seven thousand, forty-seven".