44074074487 has 4 divisors (see below), whose sum is σ = 44089612776. Its totient is φ = 44058536200.

The previous prime is 44074074481. The next prime is 44074074493. The reversal of 44074074487 is 78447047044.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (44074074481) and next prime (44074074493).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44074074487 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44074074487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44074074481) 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, 7764889 + ... + 7770562.

It is an arithmetic number, because the mean of its divisors is an integer number (11022403194).

Almost surely, 2^44074074487 is an apocalyptic number.

44074074487 is a deficient number, since it is larger than the sum of its proper divisors (15538289).

44074074487 is a wasteful number, since it uses less digits than its factorization.

44074074487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15538288.

The product of its (nonzero) digits is 2809856, while the sum is 49.

The spelling of 44074074487 in words is "forty-four billion, seventy-four million, seventy-four thousand, four hundred eighty-seven".