82714777 has 2 divisors, whose sum is σ = 82714778. Its totient is φ = 82714776.

The previous prime is 82714769. The next prime is 82714781. The reversal of 82714777 is 77741728.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81378441 + 1336336 = 9021^2 + 1156^2 .

It is a cyclic number.

It is not a de Polignac number, because 82714777 - 2³ = 82714769 is a prime.

It is not a weakly prime, because it can be changed into another prime (82714717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41357388 + 41357389.

It is an arithmetic number, because the mean of its divisors is an integer number (41357389).

Almost surely, 2^82714777 is an apocalyptic number.

It is an amenable number.

82714777 is a deficient number, since it is larger than the sum of its proper divisors (1).

82714777 is an equidigital number, since it uses as much as digits as its factorization.

82714777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 153664, while the sum is 43.

The square root of 82714777 is about 9094.7664620924. The cubic root of 82714777 is about 435.7068298900.

The spelling of 82714777 in words is "eighty-two million, seven hundred fourteen thousand, seven hundred seventy-seven".