667876468436 has 24 divisors (see below), whose sum is σ = 1171546064640. Its totient is φ = 333149316192.

The previous prime is 667876468423. The next prime is 667876468439. The reversal of 667876468436 is 634864678766.

It is a super-4 number, since 4×667876468436⁴ (a number of 48 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 667876468436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667876468439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9798305 + ... + 9866231.

It is an arithmetic number, because the mean of its divisors is an integer number (48814419360).

Almost surely, 2^667876468436 is an apocalyptic number.

It is an amenable number.

667876468436 is a deficient number, since it is larger than the sum of its proper divisors (503669596204).

667876468436 is a wasteful number, since it uses less digits than its factorization.

667876468436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73703 (or 73701 counting only the distinct ones).

The product of its digits is 1170505728, while the sum is 71.

The spelling of 667876468436 in words is "six hundred sixty-seven billion, eight hundred seventy-six million, four hundred sixty-eight thousand, four hundred thirty-six".