3855336761 has 2 divisors, whose sum is σ = 3855336762. Its totient is φ = 3855336760.

The previous prime is 3855336757. The next prime is 3855336787. The reversal of 3855336761 is 1676335583.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3738588736 + 116748025 = 61144^2 + 10805^2 .

It is a cyclic number.

It is not a de Polignac number, because 3855336761 - 2² = 3855336757 is a prime.

It is a super-2 number, since 2×3855336761² = 29727243081435942242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3855336791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1927668380 + 1927668381.

It is an arithmetic number, because the mean of its divisors is an integer number (1927668381).

Almost surely, 2^3855336761 is an apocalyptic number.

It is an amenable number.

3855336761 is a deficient number, since it is larger than the sum of its proper divisors (1).

3855336761 is an equidigital number, since it uses as much as digits as its factorization.

3855336761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1360800, while the sum is 47.

The square root of 3855336761 is about 62091.3581829227. The cubic root of 3855336761 is about 1568.0290575851.

The spelling of 3855336761 in words is "three billion, eight hundred fifty-five million, three hundred thirty-six thousand, seven hundred sixty-one".