207813602639964 has 12 divisors (see below), whose sum is σ = 484898406159944. Its totient is φ = 69271200879984.

The previous prime is 207813602639933. The next prime is 207813602640041. The reversal of 207813602639964 is 469936206318702.

207813602639964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 207813602639895 and 207813602639904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8658900109987 + ... + 8658900110010.

Almost surely, 2^{207813602639964} is an apocalyptic number.

It is an amenable number.

207813602639964 is an abundant number, since it is smaller than the sum of its proper divisors (277084803519980).

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

207813602639964 is a wasteful number, since it uses less digits than its factorization.

207813602639964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17317800220004 (or 17317800220002 counting only the distinct ones).

The product of its (nonzero) digits is 141087744, while the sum is 66.

The spelling of 207813602639964 in words is "two hundred seven trillion, eight hundred thirteen billion, six hundred two million, six hundred thirty-nine thousand, nine hundred sixty-four".