387690714659 has 4 divisors (see below), whose sum is σ = 393477143304. Its totient is φ = 381904286016.

The previous prime is 387690714583. The next prime is 387690714673. The reversal of 387690714659 is 956417096783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 956417096783 = 41 ⋅23327246263.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-387690714659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 387690714595 and 387690714604.

It is not an unprimeable number, because it can be changed into a prime (387690714959) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2893214222 + ... + 2893214355.

It is an arithmetic number, because the mean of its divisors is an integer number (98369285826).

Almost surely, 2^387690714659 is an apocalyptic number.

387690714659 is a deficient number, since it is larger than the sum of its proper divisors (5786428645).

387690714659 is an equidigital number, since it uses as much as digits as its factorization.

387690714659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5786428644.

The product of its (nonzero) digits is 68584320, while the sum is 65.

The spelling of 387690714659 in words is "three hundred eighty-seven billion, six hundred ninety million, seven hundred fourteen thousand, six hundred fifty-nine".