1682207077 has 4 divisors (see below), whose sum is σ = 1699549516. Its totient is φ = 1664864640.

The previous prime is 1682207071. The next prime is 1682207129. The reversal of 1682207077 is 7707022861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7707022861 = 29 ⋅265759409.

It can be written as a sum of positive squares in 2 ways, for example, as 1176901636 + 505305441 = 34306^2 + 22479^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1682207077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1682207071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8671074 + ... + 8671267.

It is an arithmetic number, because the mean of its divisors is an integer number (424887379).

Almost surely, 2^1682207077 is an apocalyptic number.

It is an amenable number.

1682207077 is a deficient number, since it is larger than the sum of its proper divisors (17342439).

1682207077 is an equidigital number, since it uses as much as digits as its factorization.

1682207077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17342438.

The product of its (nonzero) digits is 65856, while the sum is 40.

The square root of 1682207077 is about 41014.7178095864. The cubic root of 1682207077 is about 1189.3047458219.

The spelling of 1682207077 in words is "one billion, six hundred eighty-two million, two hundred seven thousand, seventy-seven".