465664077685 has 4 divisors (see below), whose sum is σ = 558796893228. Its totient is φ = 372531262144.

The previous prime is 465664077667. The next prime is 465664077743. The reversal of 465664077685 is 586770466564.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 158208244516 + 307455833169 = 397754^2 + 554487^2 .

It is a cyclic number.

It is not a de Polignac number, because 465664077685 - 2¹⁷ = 465663946613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46566407764 + ... + 46566407773.

It is an arithmetic number, because the mean of its divisors is an integer number (139699223307).

Almost surely, 2^465664077685 is an apocalyptic number.

It is an amenable number.

465664077685 is a deficient number, since it is larger than the sum of its proper divisors (93132815543).

465664077685 is an equidigital number, since it uses as much as digits as its factorization.

465664077685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93132815542.

The product of its (nonzero) digits is 203212800, while the sum is 64.

The spelling of 465664077685 in words is "four hundred sixty-five billion, six hundred sixty-four million, seventy-seven thousand, six hundred eighty-five".