44677778887 has 8 divisors (see below), whose sum is σ = 51143079456. Its totient is φ = 38233168512.

The previous prime is 44677778879. The next prime is 44677778909. The reversal of 44677778887 is 78887777644.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44677778887 - 2³ = 44677778879 is a prime.

It is a super-2 number, since 2×44677778887² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44677878887) 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, 5167918 + ... + 5176555.

It is an arithmetic number, because the mean of its divisors is an integer number (6392884932).

Almost surely, 2^44677778887 is an apocalyptic number.

44677778887 is a deficient number, since it is larger than the sum of its proper divisors (6465300569).

44677778887 is a wasteful number, since it uses less digits than its factorization.

44677778887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10345097.

The product of its digits is 826097664, while the sum is 73.

The spelling of 44677778887 in words is "forty-four billion, six hundred seventy-seven million, seven hundred seventy-eight thousand, eight hundred eighty-seven".