3861823615320 has 128 divisors (see below), whose sum is σ = 12702852138240. Its totient is φ = 931447319040.

The previous prime is 3861823615319. The next prime is 3861823615333. The reversal of 3861823615320 is 235163281683.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3861823615320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7165402 + ... + 7685481.

It is an arithmetic number, because the mean of its divisors is an integer number (99241032330).

Almost surely, 2^{3861823615320} is an apocalyptic number.

3861823615320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3861823615320 is an abundant number, since it is smaller than the sum of its proper divisors (8841028522920).

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

3861823615320 is a wasteful number, since it uses less digits than its factorization.

3861823615320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14851105 (or 14851101 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 3861823615320 in words is "three trillion, eight hundred sixty-one billion, eight hundred twenty-three million, six hundred fifteen thousand, three hundred twenty".