497385277771 has 2 divisors, whose sum is σ = 497385277772. Its totient is φ = 497385277770.

The previous prime is 497385277751. The next prime is 497385277783. The reversal of 497385277771 is 177772583794.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 497385277771 - 2¹⁹ = 497384753483 is a prime.

It is a super-2 number, since 2×497385277771² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 497385277697 and 497385277706.

It is not a weakly prime, because it can be changed into another prime (497385277751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248692638885 + 248692638886.

It is an arithmetic number, because the mean of its divisors is an integer number (248692638886).

Almost surely, 2^497385277771 is an apocalyptic number.

497385277771 is a deficient number, since it is larger than the sum of its proper divisors (1).

497385277771 is an equidigital number, since it uses as much as digits as its factorization.

497385277771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145212480, while the sum is 67.

The spelling of 497385277771 in words is "four hundred ninety-seven billion, three hundred eighty-five million, two hundred seventy-seven thousand, seven hundred seventy-one".