82688707 has 2 divisors, whose sum is σ = 82688708. Its totient is φ = 82688706.

The previous prime is 82688701. The next prime is 82688713. The reversal of 82688707 is 70788628.

It is a balanced prime because it is at equal distance from previous prime (82688701) and next prime (82688713).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82688707 is a prime.

It is not a weakly prime, because it can be changed into another prime (82688701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41344353 + 41344354.

It is an arithmetic number, because the mean of its divisors is an integer number (41344354).

Almost surely, 2^82688707 is an apocalyptic number.

82688707 is a deficient number, since it is larger than the sum of its proper divisors (1).

82688707 is an equidigital number, since it uses as much as digits as its factorization.

82688707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 301056, while the sum is 46.

The square root of 82688707 is about 9093.3331072825. Note that the first 3 decimals coincide. The cubic root of 82688707 is about 435.6610497966.

The spelling of 82688707 in words is "eighty-two million, six hundred eighty-eight thousand, seven hundred seven".