497695556477 has 24 divisors (see below), whose sum is σ = 592693974072. Its totient is φ = 416586240000.

The previous prime is 497695556447. The next prime is 497695556503. The reversal of 497695556477 is 774655596794.

It can be written as a sum of positive squares in 4 ways, for example, as 260420378596 + 237275177881 = 510314^2 + 487109^2 .

It is not a de Polignac number, because 497695556477 - 2¹⁴ = 497695540093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497695556447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 327524 + ... + 1050077.

It is an arithmetic number, because the mean of its divisors is an integer number (24695582253).

Almost surely, 2^497695556477 is an apocalyptic number.

It is an amenable number.

497695556477 is a deficient number, since it is larger than the sum of its proper divisors (94998417595).

497695556477 is a wasteful number, since it uses less digits than its factorization.

497695556477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377789 (or 1377782 counting only the distinct ones).

The product of its digits is 2000376000, while the sum is 74.

The spelling of 497695556477 in words is "four hundred ninety-seven billion, six hundred ninety-five million, five hundred fifty-six thousand, four hundred seventy-seven".