7969283840 has 72 divisors (see below), whose sum is σ = 21815939040. Its totient is φ = 2732322816.

The previous prime is 7969283807. The next prime is 7969283843. The reversal of 7969283840 is 483829697.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7969283843) 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, 435755 + ... + 453674.

Almost surely, 2^7969283840 is an apocalyptic number.

7969283840 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7969283840 is an abundant number, since it is smaller than the sum of its proper divisors (13846655200).

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

7969283840 is an equidigital number, since it uses as much as digits as its factorization.

7969283840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889457 (or 889443 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 56.

The square root of 7969283840 is about 89270.8454087895. The cubic root of 7969283840 is about 1997.4370370133.

The spelling of 7969283840 in words is "seven billion, nine hundred sixty-nine million, two hundred eighty-three thousand, eight hundred forty".