7980220220897 has 8 divisors (see below), whose sum is σ = 8102320163616. Its totient is φ = 7858208283552.

The previous prime is 7980220220879. The next prime is 7980220220911.

It is a happy number.

7980220220897 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 7980220220897 - 2²² = 7980216026593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7980220280897) 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, 21818588 + ... + 22181325.

It is an arithmetic number, because the mean of its divisors is an integer number (1012790020452).

Almost surely, 2^{7980220220897} is an apocalyptic number.

It is an amenable number.

7980220220897 is a deficient number, since it is larger than the sum of its proper divisors (122099942719).

7980220220897 is a wasteful number, since it uses less digits than its factorization.

7980220220897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44002687.

The product of its (nonzero) digits is 4064256, while the sum is 56.

The spelling of 7980220220897 in words is "seven trillion, nine hundred eighty billion, two hundred twenty million, two hundred twenty thousand, eight hundred ninety-seven".