846661950047719 has 12 divisors (see below), whose sum is σ = 916804673325576. Its totient is φ = 781529805424992.

The previous prime is 846661950047717. The next prime is 846661950047737. The reversal of 846661950047719 is 917740059166648.

It is not a de Polignac number, because 846661950047719 - 2¹ = 846661950047717 is a prime.

It is a super-2 number, since 2×846661950047719² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (846661950047717) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17206497 + ... + 44602549.

It is an arithmetic number, because the mean of its divisors is an integer number (76400389443798).

Almost surely, 2^{846661950047719} is an apocalyptic number.

846661950047719 is a deficient number, since it is larger than the sum of its proper divisors (70142723277857).

846661950047719 is a wasteful number, since it uses less digits than its factorization.

846661950047719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27578946 (or 27578933 counting only the distinct ones).

The product of its (nonzero) digits is 548674560, while the sum is 73.

The spelling of 846661950047719 in words is "eight hundred forty-six trillion, six hundred sixty-one billion, nine hundred fifty million, forty-seven thousand, seven hundred nineteen".