4220446605987 has 16 divisors (see below), whose sum is σ = 5697797874048. Its totient is φ = 2778395792640.

The previous prime is 4220446605971. The next prime is 4220446606007. The reversal of 4220446605987 is 7895066440224.

It is not a de Polignac number, because 4220446605987 - 2⁴ = 4220446605971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4220446605917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3554293 + ... + 4590630.

It is an arithmetic number, because the mean of its divisors is an integer number (356112367128).

Almost surely, 2^{4220446605987} is an apocalyptic number.

4220446605987 is a deficient number, since it is larger than the sum of its proper divisors (1477351268061).

4220446605987 is a wasteful number, since it uses less digits than its factorization.

4220446605987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8147090.

The product of its (nonzero) digits is 23224320, while the sum is 57.

The spelling of 4220446605987 in words is "four trillion, two hundred twenty billion, four hundred forty-six million, six hundred five thousand, nine hundred eighty-seven".