461278383 has 4 divisors (see below), whose sum is σ = 615037848. Its totient is φ = 307518920.

The previous prime is 461278369. The next prime is 461278421. The reversal of 461278383 is 383872164.

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

It is a cyclic number.

It is not a de Polignac number, because 461278383 - 2⁸ = 461278127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461278303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76879728 + ... + 76879733.

It is an arithmetic number, because the mean of its divisors is an integer number (153759462).

Almost surely, 2^461278383 is an apocalyptic number.

461278383 is a deficient number, since it is larger than the sum of its proper divisors (153759465).

461278383 is a wasteful number, since it uses less digits than its factorization.

461278383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153759464.

The product of its digits is 193536, while the sum is 42.

The square root of 461278383 is about 21477.3923696523. The cubic root of 461278383 is about 772.6587032677.

The spelling of 461278383 in words is "four hundred sixty-one million, two hundred seventy-eight thousand, three hundred eighty-three".