1082697817 has 4 divisors (see below), whose sum is σ = 1107876880. Its totient is φ = 1057518756.

The previous prime is 1082697809. The next prime is 1082697829. The reversal of 1082697817 is 7187962801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1082697817 - 2³ = 1082697809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1082697877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12589467 + ... + 12589552.

It is an arithmetic number, because the mean of its divisors is an integer number (276969220).

Almost surely, 2^1082697817 is an apocalyptic number.

It is an amenable number.

1082697817 is a deficient number, since it is larger than the sum of its proper divisors (25179063).

1082697817 is an equidigital number, since it uses as much as digits as its factorization.

1082697817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25179062.

The product of its (nonzero) digits is 338688, while the sum is 49.

The square root of 1082697817 is about 32904.3738278059. The cubic root of 1082697817 is about 1026.8391543530.

The spelling of 1082697817 in words is "one billion, eighty-two million, six hundred ninety-seven thousand, eight hundred seventeen".