48870891 has 8 divisors (see below), whose sum is σ = 72401360. Its totient is φ = 32580576.

The previous prime is 48870889. The next prime is 48870917. The reversal of 48870891 is 19807884.

It is not a de Polignac number, because 48870891 - 2¹ = 48870889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48870391) 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, 904990 + ... + 905043.

It is an arithmetic number, because the mean of its divisors is an integer number (9050170).

Almost surely, 2^48870891 is an apocalyptic number.

48870891 is a deficient number, since it is larger than the sum of its proper divisors (23530469).

48870891 is a wasteful number, since it uses less digits than its factorization.

48870891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810042 (or 1810036 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 48870891 is about 6990.7718457979. The cubic root of 48870891 is about 365.6088942281.

The spelling of 48870891 in words is "forty-eight million, eight hundred seventy thousand, eight hundred ninety-one".