4445247977 has 8 divisors (see below), whose sum is σ = 4605839040. Its totient is φ = 4285144080.

The previous prime is 4445247967. The next prime is 4445247979. The reversal of 4445247977 is 7797425444.

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

It is a cyclic number.

It is not a de Polignac number, because 4445247977 - 2¹⁸ = 4444985833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4445247979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103163 + ... + 139760.

It is an arithmetic number, because the mean of its divisors is an integer number (575729880).

Almost surely, 2^4445247977 is an apocalyptic number.

It is an amenable number.

4445247977 is a deficient number, since it is larger than the sum of its proper divisors (160591063).

4445247977 is a wasteful number, since it uses less digits than its factorization.

4445247977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243583.

The product of its digits is 7902720, while the sum is 53.

The square root of 4445247977 is about 66672.6928884682. The cubic root of 4445247977 is about 1644.2404610008.

It can be divided in two parts, 44452 and 47977, that added together give a palindrome (92429).

The spelling of 4445247977 in words is "four billion, four hundred forty-five million, two hundred forty-seven thousand, nine hundred seventy-seven".