397216196208 has 60 divisors (see below), whose sum is σ = 1197165485880. Its totient is φ = 122220367488.

The previous prime is 397216196197. The next prime is 397216196219. The reversal of 397216196208 is 802691612793.

397216196208 is a `hidden beast` number, since 3 + 9 + 7 + 2 + 1 + 6 + 1 + 9 + 620 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (397216196197) and next prime (397216196219).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106092198 + ... + 106095941.

It is an arithmetic number, because the mean of its divisors is an integer number (19952758098).

Almost surely, 2^397216196208 is an apocalyptic number.

It is an amenable number.

397216196208 is an abundant number, since it is smaller than the sum of its proper divisors (799949289672).

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

397216196208 is a wasteful number, since it uses less digits than its factorization.

397216196208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212188166 (or 212188157 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 397216196208 in words is "three hundred ninety-seven billion, two hundred sixteen million, one hundred ninety-six thousand, two hundred eight".