7969091220 has 72 divisors (see below), whose sum is σ = 24533736864. Its totient is φ = 2093370048.

The previous prime is 7969091147. The next prime is 7969091231. The reversal of 7969091220 is 221909697.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 318334 + ... + 342453.

Almost surely, 2^7969091220 is an apocalyptic number.

It is an amenable number.

7969091220 is an abundant number, since it is smaller than the sum of its proper divisors (16564645644).

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

7969091220 is a wasteful number, since it uses less digits than its factorization.

7969091220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660869 (or 660864 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 7969091220 is about 89269.7665506077. The cubic root of 7969091220 is about 1997.4209439980.

The spelling of 7969091220 in words is "seven billion, nine hundred sixty-nine million, ninety-one thousand, two hundred twenty".