3870643772207 has 8 divisors (see below), whose sum is σ = 3950043649200. Its totient is φ = 3792041884224.

The previous prime is 3870643772201. The next prime is 3870643772231. The reversal of 3870643772207 is 7022773460783.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3870643772207 - 2⁶ = 3870643772143 is a prime.

It is a super-2 number, since 2×3870643772207² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3870643772201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199487453 + ... + 199506854.

It is an arithmetic number, because the mean of its divisors is an integer number (493755456150).

Almost surely, 2^{3870643772207} is an apocalyptic number.

3870643772207 is a deficient number, since it is larger than the sum of its proper divisors (79399876993).

3870643772207 is a wasteful number, since it uses less digits than its factorization.

3870643772207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398994505.

The product of its (nonzero) digits is 16595712, while the sum is 56.

The spelling of 3870643772207 in words is "three trillion, eight hundred seventy billion, six hundred forty-three million, seven hundred seventy-two thousand, two hundred seven".