7965905268 has 24 divisors (see below), whose sum is σ = 19565381920. Its totient is φ = 2515548960.

The previous prime is 7965905267. The next prime is 7965905327. The reversal of 7965905268 is 8625095697.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7965905267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17468863 + ... + 17469318.

Almost surely, 2^7965905268 is an apocalyptic number.

It is an amenable number.

7965905268 is an abundant number, since it is smaller than the sum of its proper divisors (11599476652).

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

7965905268 is a wasteful number, since it uses less digits than its factorization.

7965905268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34938207 (or 34938205 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 57.

The square root of 7965905268 is about 89251.9202482501. The cubic root of 7965905268 is about 1997.1547264621.

The spelling of 7965905268 in words is "seven billion, nine hundred sixty-five million, nine hundred five thousand, two hundred sixty-eight".