431383578807 has 4 divisors (see below), whose sum is σ = 575178105080. Its totient is φ = 287589052536.

The previous prime is 431383578803. The next prime is 431383578817. The reversal of 431383578807 is 708875383134.

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

It is not a de Polignac number, because 431383578807 - 2² = 431383578803 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431383578803) 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, 71897263132 + ... + 71897263137.

It is an arithmetic number, because the mean of its divisors is an integer number (143794526270).

Almost surely, 2^431383578807 is an apocalyptic number.

431383578807 is a deficient number, since it is larger than the sum of its proper divisors (143794526273).

431383578807 is a wasteful number, since it uses less digits than its factorization.

431383578807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143794526272.

The product of its (nonzero) digits is 13547520, while the sum is 57.

The spelling of 431383578807 in words is "four hundred thirty-one billion, three hundred eighty-three million, five hundred seventy-eight thousand, eight hundred seven".