82770827 has 2 divisors, whose sum is σ = 82770828. Its totient is φ = 82770826.

The previous prime is 82770799. The next prime is 82770833. The reversal of 82770827 is 72807728.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82770827 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82772827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41385413 + 41385414.

It is an arithmetic number, because the mean of its divisors is an integer number (41385414).

Almost surely, 2^82770827 is an apocalyptic number.

82770827 is a deficient number, since it is larger than the sum of its proper divisors (1).

82770827 is an equidigital number, since it uses as much as digits as its factorization.

82770827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87808, while the sum is 41.

The square root of 82770827 is about 9097.8473827604. The cubic root of 82770827 is about 435.8052236497.

The spelling of 82770827 in words is "eighty-two million, seven hundred seventy thousand, eight hundred twenty-seven".