846428739986 has 16 divisors (see below), whose sum is σ = 1299258870624. Its totient is φ = 413343801024.

The previous prime is 846428739953. The next prime is 846428740013. The reversal of 846428739986 is 689937824648.

It is a super-2 number, since 2×846428739986² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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, 950801 + ... + 1611483.

It is an arithmetic number, because the mean of its divisors is an integer number (81203679414).

Almost surely, 2^846428739986 is an apocalyptic number.

846428739986 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

846428739986 is a deficient number, since it is larger than the sum of its proper divisors (452830130638).

846428739986 is a wasteful number, since it uses less digits than its factorization.

846428739986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675625.

The product of its digits is 1003290624, while the sum is 74.

The spelling of 846428739986 in words is "eight hundred forty-six billion, four hundred twenty-eight million, seven hundred thirty-nine thousand, nine hundred eighty-six".