49878214887 has 8 divisors (see below), whose sum is σ = 67125822336. Its totient is φ = 32941375352.

The previous prime is 49878214879. The next prime is 49878214891. The reversal of 49878214887 is 78841287894.

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 49878214887 - 2³ = 49878214879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49878214817) 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, 77691603 + ... + 77692244.

It is an arithmetic number, because the mean of its divisors is an integer number (8390727792).

Almost surely, 2^49878214887 is an apocalyptic number.

49878214887 is a deficient number, since it is larger than the sum of its proper divisors (17247607449).

49878214887 is a wasteful number, since it uses less digits than its factorization.

49878214887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155383957.

The product of its digits is 57802752, while the sum is 66.

The spelling of 49878214887 in words is "forty-nine billion, eight hundred seventy-eight million, two hundred fourteen thousand, eight hundred eighty-seven".