497977547 has 2 divisors, whose sum is σ = 497977548. Its totient is φ = 497977546.

The previous prime is 497977537. The next prime is 497977573. The reversal of 497977547 is 745779794.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 497977547 - 2⁶ = 497977483 is a prime.

It is a super-2 number, since 2×497977547² = 495963274632274418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (497977537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248988773 + 248988774.

It is an arithmetic number, because the mean of its divisors is an integer number (248988774).

Almost surely, 2^497977547 is an apocalyptic number.

497977547 is a deficient number, since it is larger than the sum of its proper divisors (1).

497977547 is an equidigital number, since it uses as much as digits as its factorization.

497977547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15558480, while the sum is 59.

The square root of 497977547 is about 22315.4105272567. The cubic root of 497977547 is about 792.6289318436.

The spelling of 497977547 in words is "four hundred ninety-seven million, nine hundred seventy-seven thousand, five hundred forty-seven".