497340890177 has 8 divisors (see below), whose sum is σ = 528645253896. Its totient is φ = 466264195072.

The previous prime is 497340890077. The next prime is 497340890191. The reversal of 497340890177 is 771098043794.

It is a Cunningham number, because it is equal to 705224²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 387202529536 + 110138360641 = 622256^2 + 331871^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 497340890177 - 2¹⁸ = 497340628033 is a prime.

It is a super-2 number, since 2×497340890177² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497340890077) 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, 56912648 + ... + 56921385.

It is an arithmetic number, because the mean of its divisors is an integer number (66080656737).

Almost surely, 2^497340890177 is an apocalyptic number.

It is an amenable number.

497340890177 is a deficient number, since it is larger than the sum of its proper divisors (31304363719).

497340890177 is a wasteful number, since it uses less digits than its factorization.

497340890177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113834307.

The product of its (nonzero) digits is 10668672, while the sum is 59.

The spelling of 497340890177 in words is "four hundred ninety-seven billion, three hundred forty million, eight hundred ninety thousand, one hundred seventy-seven".