490027727878 has 16 divisors (see below), whose sum is σ = 825999916896. Its totient is φ = 216333311040.

The previous prime is 490027727857. The next prime is 490027727909. The reversal of 490027727878 is 878727720094.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409721583 + ... + 409722778.

It is an arithmetic number, because the mean of its divisors is an integer number (51624994806).

Almost surely, 2^490027727878 is an apocalyptic number.

490027727878 is a deficient number, since it is larger than the sum of its proper divisors (335972189018).

490027727878 is a wasteful number, since it uses less digits than its factorization.

490027727878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819444399.

The product of its (nonzero) digits is 22127616, while the sum is 61.

The spelling of 490027727878 in words is "four hundred ninety billion, twenty-seven million, seven hundred twenty-seven thousand, eight hundred seventy-eight".