497577252478 has 8 divisors (see below), whose sum is σ = 778816569168. Its totient is φ = 237971729424.

The previous prime is 497577252461. The next prime is 497577252539. The reversal of 497577252478 is 874252775794.

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, 5408448351 + ... + 5408448442.

It is an arithmetic number, because the mean of its divisors is an integer number (97352071146).

Almost surely, 2^497577252478 is an apocalyptic number.

497577252478 is a deficient number, since it is larger than the sum of its proper divisors (281239316690).

497577252478 is a wasteful number, since it uses less digits than its factorization.

497577252478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10816896818.

The product of its digits is 276595200, while the sum is 67.

The spelling of 497577252478 in words is "four hundred ninety-seven billion, five hundred seventy-seven million, two hundred fifty-two thousand, four hundred seventy-eight".