3870567780 has 96 divisors (see below), whose sum is σ = 11148762240. Its totient is φ = 1002608640.

The previous prime is 3870567773. The next prime is 3870567787. The reversal of 3870567780 is 877650783.

3870567780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3870567773) and next prime (3870567787).

It is not an unprimeable number, because it can be changed into a prime (3870567787) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1954831 + ... + 1956809.

It is an arithmetic number, because the mean of its divisors is an integer number (116132940).

Almost surely, 2^3870567780 is an apocalyptic number.

3870567780 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 3870567780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5574381120).

3870567780 is an abundant number, since it is smaller than the sum of its proper divisors (7278194460).

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

3870567780 is a wasteful number, since it uses less digits than its factorization.

3870567780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2909 (or 2907 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 51.

The square root of 3870567780 is about 62213.8873564416. The cubic root of 3870567780 is about 1570.0912465393.

The spelling of 3870567780 in words is "three billion, eight hundred seventy million, five hundred sixty-seven thousand, seven hundred eighty".