387706720071 has 8 divisors (see below), whose sum is σ = 563937047424. Its totient is φ = 234973769720.

The previous prime is 387706720019. The next prime is 387706720087. The reversal of 387706720071 is 170027607783.

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 387706720071 - 2¹³ = 387706711879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 387706720071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387706720871) 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, 5874344211 + ... + 5874344276.

It is an arithmetic number, because the mean of its divisors is an integer number (70492130928).

Almost surely, 2^387706720071 is an apocalyptic number.

387706720071 is a deficient number, since it is larger than the sum of its proper divisors (176230327353).

387706720071 is a wasteful number, since it uses less digits than its factorization.

387706720071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11748688501.

The product of its (nonzero) digits is 691488, while the sum is 48.

The spelling of 387706720071 in words is "three hundred eighty-seven billion, seven hundred six million, seven hundred twenty thousand, seventy-one".