3685775790 has 32 divisors (see below), whose sum is σ = 8868172320. Its totient is φ = 980394624.

The previous prime is 3685775789. The next prime is 3685775887. The reversal of 3685775790 is 975775863.

It is a self number, because there is not a number n which added to its sum of digits gives 3685775790.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142825 + ... + 166644.

It is an arithmetic number, because the mean of its divisors is an integer number (277130385).

Almost surely, 2^3685775790 is an apocalyptic number.

3685775790 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3685775790 is an abundant number, since it is smaller than the sum of its proper divisors (5182396530).

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

3685775790 is a wasteful number, since it uses less digits than its factorization.

3685775790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309876.

The product of its (nonzero) digits is 11113200, while the sum is 57.

The square root of 3685775790 is about 60710.5904270416. The cubic root of 3685775790 is about 1544.6958188777.

The spelling of 3685775790 in words is "three billion, six hundred eighty-five million, seven hundred seventy-five thousand, seven hundred ninety".