1387636350287 has 8 divisors (see below), whose sum is σ = 1523427054672. Its totient is φ = 1253452636800.

The previous prime is 1387636350283. The next prime is 1387636350307. The reversal of 1387636350287 is 7820536367831.

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 1387636350287 - 2² = 1387636350283 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1387636350281) 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, 401745914 + ... + 401749367.

It is an arithmetic number, because the mean of its divisors is an integer number (190428381834).

Almost surely, 2^{1387636350287} is an apocalyptic number.

1387636350287 is a deficient number, since it is larger than the sum of its proper divisors (135790704385).

1387636350287 is a wasteful number, since it uses less digits than its factorization.

1387636350287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803495449.

The product of its (nonzero) digits is 30481920, while the sum is 59.

The spelling of 1387636350287 in words is "one trillion, three hundred eighty-seven billion, six hundred thirty-six million, three hundred fifty thousand, two hundred eighty-seven".