1677930497 has 2 divisors, whose sum is σ = 1677930498. Its totient is φ = 1677930496.

The previous prime is 1677930469. The next prime is 1677930509. The reversal of 1677930497 is 7940397761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1472180161 + 205750336 = 38369^2 + 14344^2 .

It is a cyclic number.

It is not a de Polignac number, because 1677930497 - 2¹⁴ = 1677914113 is a prime.

It is not a weakly prime, because it can be changed into another prime (1677930697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 838965248 + 838965249.

It is an arithmetic number, because the mean of its divisors is an integer number (838965249).

Almost surely, 2^1677930497 is an apocalyptic number.

It is an amenable number.

1677930497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1677930497 is an equidigital number, since it uses as much as digits as its factorization.

1677930497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2000376, while the sum is 53.

The square root of 1677930497 is about 40962.5499328350. The cubic root of 1677930497 is about 1188.2960564756.

The spelling of 1677930497 in words is "one billion, six hundred seventy-seven million, nine hundred thirty thousand, four hundred ninety-seven".