207585345387 has 16 divisors (see below), whose sum is σ = 316328330240. Its totient is φ = 118617270912.

The previous prime is 207585345371. The next prime is 207585345391. The reversal of 207585345387 is 783543585702.

It is not a de Polignac number, because 207585345387 - 2⁴ = 207585345371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (207585345307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 981939 + ... + 1174467.

It is an arithmetic number, because the mean of its divisors is an integer number (19770520640).

Almost surely, 2^207585345387 is an apocalyptic number.

207585345387 is a deficient number, since it is larger than the sum of its proper divisors (108742984853).

207585345387 is a wasteful number, since it uses less digits than its factorization.

207585345387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243882.

The product of its (nonzero) digits is 28224000, while the sum is 57.

The spelling of 207585345387 in words is "two hundred seven billion, five hundred eighty-five million, three hundred forty-five thousand, three hundred eighty-seven".