846680037061 has 4 divisors (see below), whose sum is σ = 846769538124. Its totient is φ = 846590536000.

The previous prime is 846680037053. The next prime is 846680037097. The reversal of 846680037061 is 160730086648.

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

It can be written as a sum of positive squares in 2 ways, for example, as 790703316225 + 55976720836 = 889215^2 + 236594^2 .

It is a 3-Lehmer number, since φ(846680037061) divides (846680037061-1)³.

It is a cyclic number.

It is not a de Polignac number, because 846680037061 - 2³ = 846680037053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 846680036996 and 846680037014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (846680037011) by changing a digit.

It is a nontrivial repunit in base 9460.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44736340 + ... + 44755261.

It is an arithmetic number, because the mean of its divisors is an integer number (211692384531).

Almost surely, 2^846680037061 is an apocalyptic number.

It is an amenable number.

846680037061 is a deficient number, since it is larger than the sum of its proper divisors (89501063).

846680037061 is an equidigital number, since it uses as much as digits as its factorization.

846680037061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89501062.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 846680037061 in words is "eight hundred forty-six billion, six hundred eighty million, thirty-seven thousand, sixty-one".