1005696782 has 4 divisors (see below), whose sum is σ = 1508545176. Its totient is φ = 502848390.

The previous prime is 1005696767. The next prime is 1005696787. The reversal of 1005696782 is 2876965001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2876965001 = 97 ⋅29659433.

It is a super-2 number, since 2×1005696782² = 2022852034650311048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005696787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251424194 + ... + 251424197.

It is an arithmetic number, because the mean of its divisors is an integer number (377136294).

Almost surely, 2^1005696782 is an apocalyptic number.

1005696782 is a deficient number, since it is larger than the sum of its proper divisors (502848394).

1005696782 is an equidigital number, since it uses as much as digits as its factorization.

1005696782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502848393.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 1005696782 is about 31712.7227150240. The cubic root of 1005696782 is about 1001.8953327775.

The spelling of 1005696782 in words is "one billion, five million, six hundred ninety-six thousand, seven hundred eighty-two".