3845866761 has 24 divisors (see below), whose sum is σ = 6066661536. Its totient is φ = 2328325440.

The previous prime is 3845866733. The next prime is 3845866763. The reversal of 3845866761 is 1676685483.

It is not a de Polignac number, because 3845866761 - 2⁹ = 3845866249 is a prime.

It is a super-2 number, since 2×3845866761² = 29581382286729262242, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3845866698 and 3845866707.

It is not an unprimeable number, because it can be changed into a prime (3845866763) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73966 + ... + 114728.

It is an arithmetic number, because the mean of its divisors is an integer number (252777564).

Almost surely, 2^3845866761 is an apocalyptic number.

It is an amenable number.

3845866761 is a deficient number, since it is larger than the sum of its proper divisors (2220794775).

3845866761 is a wasteful number, since it uses less digits than its factorization.

3845866761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41733 (or 41730 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 3845866761 is about 62015.0526969058. The cubic root of 3845866761 is about 1566.7441365393.

The spelling of 3845866761 in words is "three billion, eight hundred forty-five million, eight hundred sixty-six thousand, seven hundred sixty-one".