44977589999 has 4 divisors (see below), whose sum is σ = 44978199336. Its totient is φ = 44976980664.

The previous prime is 44977589989. The next prime is 44977590019. The reversal of 44977589999 is 99998577944.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44977589999 - 2⁸ = 44977589743 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 (44977589929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175769 + ... + 347634.

It is an arithmetic number, because the mean of its divisors is an integer number (11244549834).

Almost surely, 2^44977589999 is an apocalyptic number.

44977589999 is a deficient number, since it is larger than the sum of its proper divisors (609337).

44977589999 is an equidigital number, since it uses as much as digits as its factorization.

44977589999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609336.

The product of its digits is 1851776640, while the sum is 80.

The spelling of 44977589999 in words is "forty-four billion, nine hundred seventy-seven million, five hundred eighty-nine thousand, nine hundred ninety-nine".