44601691887 has 6 divisors (see below), whose sum is σ = 64424666072. Its totient is φ = 29734461252.

The previous prime is 44601691879. The next prime is 44601691889. The reversal of 44601691887 is 78819610644.

44601691887 is a `hidden beast` number, since 4 + 460 + 16 + 91 + 8 + 87 = 666.

It is not a de Polignac number, because 44601691887 - 2³ = 44601691879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44601691889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2477871763 + ... + 2477871780.

Almost surely, 2^44601691887 is an apocalyptic number.

44601691887 is a deficient number, since it is larger than the sum of its proper divisors (19822974185).

44601691887 is a wasteful number, since it uses less digits than its factorization.

44601691887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4955743549 (or 4955743546 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 44601691887 in words is "forty-four billion, six hundred one million, six hundred ninety-one thousand, eight hundred eighty-seven".