7969837680 has 120 divisors (see below), whose sum is σ = 30589015392. Its totient is φ = 1821676032.

The previous prime is 7969837657. The next prime is 7969837691. The reversal of 7969837680 is 867389697.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (63).

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, 785619 + ... + 795698.

Almost surely, 2^7969837680 is an apocalyptic number.

7969837680 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7969837680 is an abundant number, since it is smaller than the sum of its proper divisors (22619177712).

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

7969837680 is a wasteful number, since it uses less digits than its factorization.

7969837680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581343 (or 1581334 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 63.

The square root of 7969837680 is about 89273.9473754802. The cubic root of 7969837680 is about 1997.4833077918.

The spelling of 7969837680 in words is "seven billion, nine hundred sixty-nine million, eight hundred thirty-seven thousand, six hundred eighty".