207030399879601 has 3 divisors (see below), whose sum is σ = 207030414268153. Its totient is φ = 207030385491050.

The previous prime is 207030399879581. The next prime is 207030399879607. The reversal of 207030399879601 is 106978993030702.

It is a happy number.

The square root of 207030399879601 is 14388551.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 207030399879601 - 2¹³ = 207030399871409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (207030399879607) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 7194276 + ... + 21582826.

Almost surely, 2^{207030399879601} is an apocalyptic number.

207030399879601 is the 14388551-st square number.

207030399879601 is the 7194276-th centered octagonal number.

It is an amenable number.

207030399879601 is a deficient number, since it is larger than the sum of its proper divisors (14388552).

207030399879601 is an frugal number, since it uses more digits than its factorization.

207030399879601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28777102 (or 14388551 counting only the distinct ones).

The product of its (nonzero) digits is 30862944, while the sum is 64.

The spelling of 207030399879601 in words is "two hundred seven trillion, thirty billion, three hundred ninety-nine million, eight hundred seventy-nine thousand, six hundred one".