397807200063 has 72 divisors (see below), whose sum is σ = 720263832288. Its totient is φ = 209709295488.

The previous prime is 397807200023. The next prime is 397807200071. The reversal of 397807200063 is 360002708793.

It is a happy number.

It is not a de Polignac number, because 397807200063 - 2¹³ = 397807191871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 397807199991 and 397807200018.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397807200023) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 10202481 + ... + 10241397.

Almost surely, 2^397807200063 is an apocalyptic number.

397807200063 is a deficient number, since it is larger than the sum of its proper divisors (322456632225).

397807200063 is a wasteful number, since it uses less digits than its factorization.

397807200063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40733 (or 40723 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The spelling of 397807200063 in words is "three hundred ninety-seven billion, eight hundred seven million, two hundred thousand, sixty-three".