4445877961 has 8 divisors (see below), whose sum is σ = 5379886080. Its totient is φ = 3586590528.

The previous prime is 4445877959. The next prime is 4445877971. The reversal of 4445877961 is 1697785444.

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 4445877961 - 2¹ = 4445877959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4445877971) 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, 18680041 + ... + 18680278.

It is an arithmetic number, because the mean of its divisors is an integer number (672485760).

Almost surely, 2^4445877961 is an apocalyptic number.

It is an amenable number.

4445877961 is a deficient number, since it is larger than the sum of its proper divisors (934008119).

4445877961 is a wasteful number, since it uses less digits than its factorization.

4445877961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37360343.

The product of its digits is 6773760, while the sum is 55.

The square root of 4445877961 is about 66677.4171740328. The cubic root of 4445877961 is about 1644.3181316773.

The spelling of 4445877961 in words is "four billion, four hundred forty-five million, eight hundred seventy-seven thousand, nine hundred sixty-one".