3869775000 has 864 divisors, whose sum is σ = 17018754480. Its totient is φ = 816480000.

The previous prime is 3869774959. The next prime is 3869775023. The reversal of 3869775000 is 5779683.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 297674994 + ... + 297675006.

Almost surely, 2^3869775000 is an apocalyptic number.

3869775000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3869775000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8509377240).

3869775000 is an abundant number, since it is smaller than the sum of its proper divisors (13148979480).

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

3869775000 is an equidigital number, since it uses as much as digits as its factorization.

3869775000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73 (or 30 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 3869775000 is about 62207.5156231142. The cubic root of 3869775000 is about 1569.9840424629.

The spelling of 3869775000 in words is "three billion, eight hundred sixty-nine million, seven hundred seventy-five thousand".