7982077862401 has 8 divisors (see below), whose sum is σ = 8402272155680. Its totient is φ = 7561892062368.

The previous prime is 7982077862393. The next prime is 7982077862441. The reversal of 7982077862401 is 1042687702897.

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

It is not a de Polignac number, because 7982077862401 - 2³ = 7982077862393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7982077862401.

It is not an unprimeable number, because it can be changed into a prime (7982077862441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147036 + ... + 3998221.

It is an arithmetic number, because the mean of its divisors is an integer number (1050284019460).

Almost surely, 2^{7982077862401} is an apocalyptic number.

It is an amenable number.

7982077862401 is a deficient number, since it is larger than the sum of its proper divisors (420194293279).

7982077862401 is a wasteful number, since it uses less digits than its factorization.

7982077862401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4246623.

The product of its (nonzero) digits is 18966528, while the sum is 61.

The spelling of 7982077862401 in words is "seven trillion, nine hundred eighty-two billion, seventy-seven million, eight hundred sixty-two thousand, four hundred one".