3878216430 has 32 divisors (see below), whose sum is σ = 10153876608. Its totient is φ = 940173600.

The previous prime is 3878216411. The next prime is 3878216431. The reversal of 3878216430 is 346128783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3878216431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5875756 + ... + 5876415.

It is an arithmetic number, because the mean of its divisors is an integer number (317308644).

Almost surely, 2^3878216430 is an apocalyptic number.

3878216430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3878216430 is an abundant number, since it is smaller than the sum of its proper divisors (6275660178).

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

3878216430 is a wasteful number, since it uses less digits than its factorization.

3878216430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11752192.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 3878216430 is about 62275.3276185682. The cubic root of 3878216430 is about 1571.1247879873.

The spelling of 3878216430 in words is "three billion, eight hundred seventy-eight million, two hundred sixteen thousand, four hundred thirty".