7955520255597 has 8 divisors (see below), whose sum is σ = 11231322713856. Its totient is φ = 4991698983872.

The previous prime is 7955520255593. The next prime is 7955520255611.

7955520255597 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 7955520255597 - 2² = 7955520255593 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7955520255593) 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, 77995296573 + ... + 77995296674.

It is an arithmetic number, because the mean of its divisors is an integer number (1403915339232).

Almost surely, 2^{7955520255597} is an apocalyptic number.

It is an amenable number.

7955520255597 is a deficient number, since it is larger than the sum of its proper divisors (3275802458259).

7955520255597 is a wasteful number, since it uses less digits than its factorization.

7955520255597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155990593267.

The product of its (nonzero) digits is 248062500, while the sum is 66.

The spelling of 7955520255597 in words is "seven trillion, nine hundred fifty-five billion, five hundred twenty million, two hundred fifty-five thousand, five hundred ninety-seven".