675660977 has 2 divisors, whose sum is σ = 675660978. Its totient is φ = 675660976.

The previous prime is 675660941. The next prime is 675660989. The reversal of 675660977 is 779066576.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 644702881 + 30958096 = 25391^2 + 5564^2 .

It is a cyclic number.

It is not a de Polignac number, because 675660977 - 2¹² = 675656881 is a prime.

It is not a weakly prime, because it can be changed into another prime (675660077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337830488 + 337830489.

It is an arithmetic number, because the mean of its divisors is an integer number (337830489).

Almost surely, 2^675660977 is an apocalyptic number.

It is an amenable number.

675660977 is a deficient number, since it is larger than the sum of its proper divisors (1).

675660977 is an equidigital number, since it uses as much as digits as its factorization.

675660977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3333960, while the sum is 53.

The square root of 675660977 is about 25993.4795092923. The cubic root of 675660977 is about 877.4915552362.

The spelling of 675660977 in words is "six hundred seventy-five million, six hundred sixty thousand, nine hundred seventy-seven".