977468369 has 2 divisors, whose sum is σ = 977468370. Its totient is φ = 977468368.

The previous prime is 977468339. The next prime is 977468411. The reversal of 977468369 is 963864779.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 879715600 + 97752769 = 29660^2 + 9887^2 .

It is an emirp because it is prime and its reverse (963864779) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 977468369 - 2²⁰ = 976419793 is a prime.

It is a super-2 number, since 2×977468369² = 1910888824791040322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (977468339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488734184 + 488734185.

It is an arithmetic number, because the mean of its divisors is an integer number (488734185).

Almost surely, 2^977468369 is an apocalyptic number.

It is an amenable number.

977468369 is a deficient number, since it is larger than the sum of its proper divisors (1).

977468369 is an equidigital number, since it uses as much as digits as its factorization.

977468369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13716864, while the sum is 59.

The square root of 977468369 is about 31264.4905443860. The cubic root of 977468369 is about 992.4323311879.

The spelling of 977468369 in words is "nine hundred seventy-seven million, four hundred sixty-eight thousand, three hundred sixty-nine".