4777441872878 has 8 divisors (see below), whose sum is σ = 7202539270872. Its totient is φ = 2376595449256.

The previous prime is 4777441872773. The next prime is 4777441872893. The reversal of 4777441872878 is 8782781447774.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6062743100 + ... + 6062743887.

It is an arithmetic number, because the mean of its divisors is an integer number (900317408859).

Almost surely, 2^{4777441872878} is an apocalyptic number.

4777441872878 is a deficient number, since it is larger than the sum of its proper divisors (2425097397994).

4777441872878 is a wasteful number, since it uses less digits than its factorization.

4777441872878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12125487186.

The product of its digits is 1101463552, while the sum is 74.

The spelling of 4777441872878 in words is "four trillion, seven hundred seventy-seven billion, four hundred forty-one million, eight hundred seventy-two thousand, eight hundred seventy-eight".