397516184678116 has 24 divisors (see below), whose sum is σ = 795036782931776. Its totient is φ = 170363133381600.

The previous prime is 397516184678027. The next prime is 397516184678203. The reversal of 397516184678116 is 611876481615793.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34261335 + ... + 44371966.

Almost surely, 2^{397516184678116} is an apocalyptic number.

It is an amenable number.

397516184678116 is an abundant number, since it is smaller than the sum of its proper divisors (397520598253660).

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

397516184678116 is a wasteful number, since it uses less digits than its factorization.

397516184678116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78813859 (or 78813857 counting only the distinct ones).

The product of its digits is 365783040, while the sum is 73.

The spelling of 397516184678116 in words is "three hundred ninety-seven trillion, five hundred sixteen billion, one hundred eighty-four million, six hundred seventy-eight thousand, one hundred sixteen".