49587277687 has 4 divisors (see below), whose sum is σ = 49587729136. Its totient is φ = 49586826240.

The previous prime is 49587277669. The next prime is 49587277703. The reversal of 49587277687 is 78677278594.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 78677278594 = 2 ⋅39338639297.

It is a cyclic number.

It is not a de Polignac number, because 49587277687 - 2¹⁵ = 49587244919 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 (49587277627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57463 + ... + 320119.

It is an arithmetic number, because the mean of its divisors is an integer number (12396932284).

Almost surely, 2^49587277687 is an apocalyptic number.

49587277687 is a deficient number, since it is larger than the sum of its proper divisors (451449).

49587277687 is a wasteful number, since it uses less digits than its factorization.

49587277687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451448.

The product of its digits is 331914240, while the sum is 70.

The spelling of 49587277687 in words is "forty-nine billion, five hundred eighty-seven million, two hundred seventy-seven thousand, six hundred eighty-seven".