44975261887 has 16 divisors (see below), whose sum is σ = 48170324160. Its totient is φ = 41887648000.

The previous prime is 44975261873. The next prime is 44975261909. The reversal of 44975261887 is 78816257944.

It is a cyclic number.

It is not a de Polignac number, because 44975261887 - 2¹¹ = 44975259839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44975261827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433137 + ... + 526837.

It is an arithmetic number, because the mean of its divisors is an integer number (3010645260).

Almost surely, 2^44975261887 is an apocalyptic number.

44975261887 is a deficient number, since it is larger than the sum of its proper divisors (3195062273).

44975261887 is a wasteful number, since it uses less digits than its factorization.

44975261887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94274.

The product of its digits is 27095040, while the sum is 61.

The spelling of 44975261887 in words is "forty-four billion, nine hundred seventy-five million, two hundred sixty-one thousand, eight hundred eighty-seven".