468144237977 has 4 divisors (see below), whose sum is σ = 504155333220. Its totient is φ = 432133142736.

The previous prime is 468144237971. The next prime is 468144237983. The reversal of 468144237977 is 779732441864.

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

It is an interprime number because it is at equal distance from previous prime (468144237971) and next prime (468144237983).

It can be written as a sum of positive squares in 2 ways, for example, as 259591269001 + 208552968976 = 509501^2 + 456676^2 .

It is a cyclic number.

It is not a de Polignac number, because 468144237977 - 2³⁰ = 467070496153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (468144237971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18005547602 + ... + 18005547627.

It is an arithmetic number, because the mean of its divisors is an integer number (126038833305).

Almost surely, 2^468144237977 is an apocalyptic number.

It is an amenable number.

468144237977 is a deficient number, since it is larger than the sum of its proper divisors (36011095243).

468144237977 is a wasteful number, since it uses less digits than its factorization.

468144237977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36011095242.

The product of its digits is 56899584, while the sum is 62.

The spelling of 468144237977 in words is "four hundred sixty-eight billion, one hundred forty-four million, two hundred thirty-seven thousand, nine hundred seventy-seven".