207490876777964 has 12 divisors (see below), whose sum is σ = 391040498543184. Its totient is φ = 95765020051344.

The previous prime is 207490876777909. The next prime is 207490876777967. The reversal of 207490876777964 is 469777678094702.

It is not an unprimeable number, because it can be changed into a prime (207490876777967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1995104584352 + ... + 1995104584455.

It is an arithmetic number, because the mean of its divisors is an integer number (32586708211932).

Almost surely, 2^{207490876777964} is an apocalyptic number.

It is an amenable number.

207490876777964 is a deficient number, since it is larger than the sum of its proper divisors (183549621765220).

207490876777964 is a wasteful number, since it uses less digits than its factorization.

207490876777964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3990209168824 (or 3990209168822 counting only the distinct ones).

The product of its (nonzero) digits is 12546358272, while the sum is 83.

The spelling of 207490876777964 in words is "two hundred seven trillion, four hundred ninety billion, eight hundred seventy-six million, seven hundred seventy-seven thousand, nine hundred sixty-four".