465777479897 has 2 divisors, whose sum is σ = 465777479898. Its totient is φ = 465777479896.

The previous prime is 465777479831. The next prime is 465777479903. The reversal of 465777479897 is 798974777564.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 382939430041 + 82838049856 = 618821^2 + 287816^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-465777479897 is a prime.

It is not a weakly prime, because it can be changed into another prime (465777479807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232888739948 + 232888739949.

It is an arithmetic number, because the mean of its divisors is an integer number (232888739949).

Almost surely, 2^465777479897 is an apocalyptic number.

It is an amenable number.

465777479897 is a deficient number, since it is larger than the sum of its proper divisors (1).

465777479897 is an equidigital number, since it uses as much as digits as its factorization.

465777479897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5227649280, while the sum is 80.

The spelling of 465777479897 in words is "four hundred sixty-five billion, seven hundred seventy-seven million, four hundred seventy-nine thousand, eight hundred ninety-seven".