831426487906 has 16 divisors (see below), whose sum is σ = 1425403924416. Its totient is φ = 356300294256.

The previous prime is 831426487901. The next prime is 831426487909. The reversal of 831426487906 is 609784624138.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (831426487901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1907401 + ... + 2302396.

It is an arithmetic number, because the mean of its divisors is an integer number (89087745276).

Almost surely, 2^831426487906 is an apocalyptic number.

831426487906 is a deficient number, since it is larger than the sum of its proper divisors (593977436510).

831426487906 is a wasteful number, since it uses less digits than its factorization.

831426487906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4223913.

The product of its (nonzero) digits is 13934592, while the sum is 58.

The spelling of 831426487906 in words is "eight hundred thirty-one billion, four hundred twenty-six million, four hundred eighty-seven thousand, nine hundred six".