7689902752640 has 32 divisors (see below), whose sum is σ = 18383673769560. Its totient is φ = 3075961100800.

The previous prime is 7689902752639. The next prime is 7689902752681. The reversal of 7689902752640 is 462572099867.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6007735886 + ... + 6007737165.

Almost surely, 2^{7689902752640} is an apocalyptic number.

It is an amenable number.

7689902752640 is an abundant number, since it is smaller than the sum of its proper divisors (10693771016920).

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

7689902752640 is a wasteful number, since it uses less digits than its factorization.

7689902752640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12015473070 (or 12015473058 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 65.

The spelling of 7689902752640 in words is "seven trillion, six hundred eighty-nine billion, nine hundred two million, seven hundred fifty-two thousand, six hundred forty".