497802740857 has 8 divisors (see below), whose sum is σ = 502694254400. Its totient is φ = 492912352080.

The previous prime is 497802740833. The next prime is 497802740891. The reversal of 497802740857 is 758047208794.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-497802740857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 497802740795 and 497802740804.

It is not an unprimeable number, because it can be changed into a prime (497802750857) 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, 622519 + ... + 1176067.

It is an arithmetic number, because the mean of its divisors is an integer number (62836781800).

Almost surely, 2^497802740857 is an apocalyptic number.

It is an amenable number.

497802740857 is a deficient number, since it is larger than the sum of its proper divisors (4891513543).

497802740857 is a wasteful number, since it uses less digits than its factorization.

497802740857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562383.

The product of its (nonzero) digits is 31610880, while the sum is 61.

The spelling of 497802740857 in words is "four hundred ninety-seven billion, eight hundred two million, seven hundred forty thousand, eight hundred fifty-seven".