7645873982 has 8 divisors (see below), whose sum is σ = 11469209256. Its totient is φ = 3822804232.

The previous prime is 7645873979. The next prime is 7645873987. The reversal of 7645873982 is 2893785467.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7645873987) 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, 39188 + ... + 129720.

It is an arithmetic number, because the mean of its divisors is an integer number (1433651157).

Almost surely, 2^7645873982 is an apocalyptic number.

7645873982 is a deficient number, since it is larger than the sum of its proper divisors (3823335274).

7645873982 is a wasteful number, since it uses less digits than its factorization.

7645873982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132762.

The product of its digits is 20321280, while the sum is 59.

The square root of 7645873982 is about 87440.6883664579. The cubic root of 7645873982 is about 1970.0430287698.

The spelling of 7645873982 in words is "seven billion, six hundred forty-five million, eight hundred seventy-three thousand, nine hundred eighty-two".