7955397522 has 18 divisors (see below), whose sum is σ = 17237514567. Its totient is φ = 2651673036.

The previous prime is 7955397487. The next prime is 7955397547. The reversal of 7955397522 is 2257935597.

It can be written as a sum of positive squares in only one way, i.e., 3977698761 + 3977698761 = 63069^2 + 63069^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=63069.

It is an unprimeable number.

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 in 8 ways as a sum of consecutive naturals, for example, 367903 + ... + 388925.

Almost surely, 2^7955397522 is an apocalyptic number.

7955397522 is an abundant number, since it is smaller than the sum of its proper divisors (9282117045).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7955397522 is an frugal number, since it uses more digits than its factorization.

7955397522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42054 (or 21028 counting only the distinct ones).

The product of its digits is 5953500, while the sum is 54.

The square root of 7955397522 is about 89193.0351653087. The cubic root of 7955397522 is about 1996.2761977849.

The spelling of 7955397522 in words is "seven billion, nine hundred fifty-five million, three hundred ninety-seven thousand, five hundred twenty-two".