3685839855077 has 4 divisors (see below), whose sum is σ = 3755384003340. Its totient is φ = 3616295706816.

The previous prime is 3685839855029. The next prime is 3685839855121. The reversal of 3685839855077 is 7705589385863.

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 1797438950596 + 1888400904481 = 1340686^2 + 1374191^2 .

It is a cyclic number.

It is not a de Polignac number, because 3685839855077 - 2⁶ = 3685839855013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3685839854995 and 3685839855013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3685839855977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34772074052 + ... + 34772074157.

It is an arithmetic number, because the mean of its divisors is an integer number (938846000835).

Almost surely, 2^{3685839855077} is an apocalyptic number.

It is an amenable number.

3685839855077 is a deficient number, since it is larger than the sum of its proper divisors (69544148263).

3685839855077 is an equidigital number, since it uses as much as digits as its factorization.

3685839855077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69544148262.

The product of its (nonzero) digits is 1524096000, while the sum is 74.

The spelling of 3685839855077 in words is "three trillion, six hundred eighty-five billion, eight hundred thirty-nine million, eight hundred fifty-five thousand, seventy-seven".