3685775980 has 24 divisors (see below), whose sum is σ = 7742861280. Its totient is φ = 1473790080.

The previous prime is 3685775953. The next prime is 3685775981. The reversal of 3685775980 is 895775863.

It is not an unprimeable number, because it can be changed into a prime (3685775981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28345 + ... + 90415.

It is an arithmetic number, because the mean of its divisors is an integer number (322619220).

Almost surely, 2^3685775980 is an apocalyptic number.

It is an amenable number.

3685775980 is an abundant number, since it is smaller than the sum of its proper divisors (4057085300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3685775980 is a wasteful number, since it uses less digits than its factorization.

3685775980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65049 (or 65047 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 58.

The square root of 3685775980 is about 60710.5919918427. The cubic root of 3685775980 is about 1544.6958454205.

The spelling of 3685775980 in words is "three billion, six hundred eighty-five million, seven hundred seventy-five thousand, nine hundred eighty".