3187857977137 has 8 divisors (see below), whose sum is σ = 3256612192512. Its totient is φ = 3119142405600.

The previous prime is 3187857977123. The next prime is 3187857977237. The reversal of 3187857977137 is 7317797587813.

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 3187857977137 - 2³¹ = 3185710493489 is a prime.

It is a super-2 number, since 2×3187857977137² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3187857977137.

It is not an unprimeable number, because it can be changed into a prime (3187857977237) 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, 9494164 + ... + 9824197.

It is an arithmetic number, because the mean of its divisors is an integer number (407076524064).

Almost surely, 2^{3187857977137} is an apocalyptic number.

It is an amenable number.

3187857977137 is a deficient number, since it is larger than the sum of its proper divisors (68754215375).

3187857977137 is a wasteful number, since it uses less digits than its factorization.

3187857977137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19321919.

The product of its digits is 435637440, while the sum is 73.

The spelling of 3187857977137 in words is "three trillion, one hundred eighty-seven billion, eight hundred fifty-seven million, nine hundred seventy-seven thousand, one hundred thirty-seven".