7766598885980 has 96 divisors (see below), whose sum is σ = 18730672450560. Its totient is φ = 2675339124480.

The previous prime is 7766598885979. The next prime is 7766598885989. The reversal of 7766598885980 is 895888956677.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7766598885892 and 7766598885901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7766598885989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51242189 + ... + 51393531.

It is an arithmetic number, because the mean of its divisors is an integer number (195111171360).

Almost surely, 2^{7766598885980} is an apocalyptic number.

It is an amenable number.

7766598885980 is an abundant number, since it is smaller than the sum of its proper divisors (10964073564580).

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

7766598885980 is a wasteful number, since it uses less digits than its factorization.

7766598885980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163659 (or 163657 counting only the distinct ones).

The product of its (nonzero) digits is 14631321600, while the sum is 86.

The spelling of 7766598885980 in words is "seven trillion, seven hundred sixty-six billion, five hundred ninety-eight million, eight hundred eighty-five thousand, nine hundred eighty".