497198194577 has 16 divisors (see below), whose sum is σ = 580493501952. Its totient is φ = 416975169600.

The previous prime is 497198194567. The next prime is 497198194639. The reversal of 497198194577 is 775491891794.

It is a cyclic number.

It is not a de Polignac number, because 497198194577 - 2⁸ = 497198194321 is a prime.

It is a super-4 number, since 4×497198194577⁴ (a number of 48 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 497198194577.

It is not an unprimeable number, because it can be changed into a prime (497198194567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 857123 + ... + 1314935.

It is an arithmetic number, because the mean of its divisors is an integer number (36280843872).

Almost surely, 2^497198194577 is an apocalyptic number.

497198194577 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

497198194577 is a deficient number, since it is larger than the sum of its proper divisors (83295307375).

497198194577 is a wasteful number, since it uses less digits than its factorization.

497198194577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461168.

The product of its digits is 160030080, while the sum is 71.

The spelling of 497198194577 in words is "four hundred ninety-seven billion, one hundred ninety-eight million, one hundred ninety-four thousand, five hundred seventy-seven".