48870091809 has 48 divisors (see below), whose sum is σ = 90055240704. Its totient is φ = 24796648800.

The previous prime is 48870091799. The next prime is 48870091861. The reversal of 48870091809 is 90819007884.

48870091809 is a `hidden beast` number, since 488 + 70 + 0 + 91 + 8 + 0 + 9 = 666.

It is not a de Polignac number, because 48870091809 - 2⁷ = 48870091681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48870091909) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 790197 + ... + 849794.

It is an arithmetic number, because the mean of its divisors is an integer number (1876150848).

Almost surely, 2^48870091809 is an apocalyptic number.

It is an amenable number.

48870091809 is a deficient number, since it is larger than the sum of its proper divisors (41185148895).

48870091809 is a wasteful number, since it uses less digits than its factorization.

48870091809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640058 (or 1640055 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The spelling of 48870091809 in words is "forty-eight billion, eight hundred seventy million, ninety-one thousand, eight hundred nine".