8738761660 has 12 divisors (see below), whose sum is σ = 18351399528. Its totient is φ = 3495504656.

The previous prime is 8738761609. The next prime is 8738761673. The reversal of 8738761660 is 661678378.

It is a junction number, because it is equal to n+sod(n) for n = 8738761598 and 8738761607.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 218469022 + ... + 218469061.

It is an arithmetic number, because the mean of its divisors is an integer number (1529283294).

Almost surely, 2^8738761660 is an apocalyptic number.

It is an amenable number.

8738761660 is an abundant number, since it is smaller than the sum of its proper divisors (9612637868).

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

8738761660 is a wasteful number, since it uses less digits than its factorization.

8738761660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436938092 (or 436938090 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 52.

The square root of 8738761660 is about 93481.3439141736. The cubic root of 8738761660 is about 2059.7600546869.

The spelling of 8738761660 in words is "eight billion, seven hundred thirty-eight million, seven hundred sixty-one thousand, six hundred sixty".