50871222887 has 8 divisors (see below), whose sum is σ = 51677167392. Its totient is φ = 50067763200.

The previous prime is 50871222881. The next prime is 50871222893. The reversal of 50871222887 is 78822217805.

It is an interprime number because it is at equal distance from previous prime (50871222881) and next prime (50871222893).

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 50871222887 - 2¹⁸ = 50870960743 is a prime.

It is a super-2 number, since 2×50871222887² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50871222881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579914 + ... + 661847.

It is an arithmetic number, because the mean of its divisors is an integer number (6459645924).

Almost surely, 2^50871222887 is an apocalyptic number.

50871222887 is a deficient number, since it is larger than the sum of its proper divisors (805944505).

50871222887 is a wasteful number, since it uses less digits than its factorization.

50871222887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242409.

The product of its (nonzero) digits is 1003520, while the sum is 50.

The spelling of 50871222887 in words is "fifty billion, eight hundred seventy-one million, two hundred twenty-two thousand, eight hundred eighty-seven".