7669993945536 has 336 divisors, whose sum is σ = 24749355810816. Its totient is φ = 2253351462912.

The previous prime is 7669993945529. The next prime is 7669993945567. The reversal of 7669993945536 is 6355493999667.

It is a happy number.

7669993945536 is a `hidden beast` number, since 7 + 6 + 6 + 9 + 9 + 9 + 39 + 45 + 536 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 96922561 + ... + 97001663.

It is an arithmetic number, because the mean of its divisors is an integer number (73658797056).

Almost surely, 2^{7669993945536} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7669993945536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12374677905408).

7669993945536 is an abundant number, since it is smaller than the sum of its proper divisors (17079361865280).

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

7669993945536 is a wasteful number, since it uses less digits than its factorization.

7669993945536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79720 (or 79707 counting only the distinct ones).

The product of its digits is 8928208800, while the sum is 81.

The spelling of 7669993945536 in words is "seven trillion, six hundred sixty-nine billion, nine hundred ninety-three million, nine hundred forty-five thousand, five hundred thirty-six".