49878907 has 16 divisors (see below), whose sum is σ = 56385280. Its totient is φ = 43804800.

The previous prime is 49878863. The next prime is 49878911. The reversal of 49878907 is 70987894.

It is a happy number.

It is not a de Polignac number, because 49878907 - 2⁷ = 49878779 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is the 7063-rd Hogben number.

It is not an unprimeable number, because it can be changed into a prime (49878947) by changing a digit.

It is a nontrivial repunit in base 7062.

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 15 ways as a sum of consecutive naturals, for example, 23569 + ... + 25597.

It is an arithmetic number, because the mean of its divisors is an integer number (3524080).

Almost surely, 2^49878907 is an apocalyptic number.

49878907 is a deficient number, since it is larger than the sum of its proper divisors (6506373).

49878907 is a wasteful number, since it uses less digits than its factorization.

49878907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134.

The product of its (nonzero) digits is 1016064, while the sum is 52.

The square root of 49878907 is about 7062.5000530973. The cubic root of 49878907 is about 368.1055024970.

The spelling of 49878907 in words is "forty-nine million, eight hundred seventy-eight thousand, nine hundred seven".