82277851 has 2 divisors, whose sum is σ = 82277852. Its totient is φ = 82277850.

The previous prime is 82277827. The next prime is 82277861. The reversal of 82277851 is 15877228.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82277851 - 2⁹ = 82277339 is a prime.

It is not a weakly prime, because it can be changed into another prime (82277861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41138925 + 41138926.

It is an arithmetic number, because the mean of its divisors is an integer number (41138926).

Almost surely, 2^82277851 is an apocalyptic number.

82277851 is a deficient number, since it is larger than the sum of its proper divisors (1).

82277851 is an equidigital number, since it uses as much as digits as its factorization.

82277851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62720, while the sum is 40.

The square root of 82277851 is about 9070.7139189812. The cubic root of 82277851 is about 434.9382939733.

The spelling of 82277851 in words is "eighty-two million, two hundred seventy-seven thousand, eight hundred fifty-one".