82851707 has 2 divisors, whose sum is σ = 82851708. Its totient is φ = 82851706.

The previous prime is 82851701. The next prime is 82851719. The reversal of 82851707 is 70715828.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82851707 - 2¹⁴ = 82835323 is a prime.

It is not a weakly prime, because it can be changed into another prime (82851701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41425853 + 41425854.

It is an arithmetic number, because the mean of its divisors is an integer number (41425854).

Almost surely, 2^82851707 is an apocalyptic number.

82851707 is a deficient number, since it is larger than the sum of its proper divisors (1).

82851707 is an equidigital number, since it uses as much as digits as its factorization.

82851707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31360, while the sum is 38.

The square root of 82851707 is about 9102.2913049408. The cubic root of 82851707 is about 435.9471273174.

The spelling of 82851707 in words is "eighty-two million, eight hundred fifty-one thousand, seven hundred seven".