50872686415 has 4 divisors (see below), whose sum is σ = 61047223704. Its totient is φ = 40698149128.

The previous prime is 50872686407. The next prime is 50872686419. The reversal of 50872686415 is 51468627805.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50872686415 - 2³ = 50872686407 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 (50872686419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5087268637 + ... + 5087268646.

It is an arithmetic number, because the mean of its divisors is an integer number (15261805926).

Almost surely, 2^50872686415 is an apocalyptic number.

50872686415 is a deficient number, since it is larger than the sum of its proper divisors (10174537289).

50872686415 is a wasteful number, since it uses less digits than its factorization.

50872686415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10174537288.

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 50872686415 in words is "fifty billion, eight hundred seventy-two million, six hundred eighty-six thousand, four hundred fifteen".