4488777881 has 4 divisors (see below), whose sum is σ = 5130031872. Its totient is φ = 3847523892.

The previous prime is 4488777871. The next prime is 4488777883. The reversal of 4488777881 is 1887778844.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4488777881 - 2¹⁸ = 4488515737 is a prime.

It is a super-2 number, since 2×4488777881² = 40298253729909700322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4488777883) 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, 320626985 + ... + 320626998.

It is an arithmetic number, because the mean of its divisors is an integer number (1282507968).

Almost surely, 2^4488777881 is an apocalyptic number.

It is an amenable number.

4488777881 is a deficient number, since it is larger than the sum of its proper divisors (641253991).

4488777881 is an equidigital number, since it uses as much as digits as its factorization.

4488777881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641253990.

The product of its digits is 22478848, while the sum is 62.

The square root of 4488777881 is about 66998.3423750170. The cubic root of 4488777881 is about 1649.5900886849.

The spelling of 4488777881 in words is "four billion, four hundred eighty-eight million, seven hundred seventy-seven thousand, eight hundred eighty-one".