504197620778 has 16 divisors (see below), whose sum is σ = 789194710656. Its totient is φ = 241133156880.

The previous prime is 504197620769. The next prime is 504197620813. The reversal of 504197620778 is 877026791405.

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, 3446000 + ... + 3589332.

It is an arithmetic number, because the mean of its divisors is an integer number (49324669416).

Almost surely, 2^504197620778 is an apocalyptic number.

504197620778 is a deficient number, since it is larger than the sum of its proper divisors (284997089878).

504197620778 is a wasteful number, since it uses less digits than its factorization.

504197620778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219829.

The product of its (nonzero) digits is 5927040, while the sum is 56.

The spelling of 504197620778 in words is "five hundred four billion, one hundred ninety-seven million, six hundred twenty thousand, seven hundred seventy-eight".