207120711868 has 24 divisors (see below), whose sum is σ = 414643267584. Its totient is φ = 88679910000.

The previous prime is 207120711859. The next prime is 207120711893. The reversal of 207120711868 is 868117021702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3558508 + ... + 3616243.

It is an arithmetic number, because the mean of its divisors is an integer number (17276802816).

Almost surely, 2^207120711868 is an apocalyptic number.

207120711868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

207120711868 is an abundant number, since it is smaller than the sum of its proper divisors (207522555716).

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

207120711868 is a wasteful number, since it uses less digits than its factorization.

207120711868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7175793 (or 7175791 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 43.

The spelling of 207120711868 in words is "two hundred seven billion, one hundred twenty million, seven hundred eleven thousand, eight hundred sixty-eight".