3879915062500 has 63 divisors (see below), whose sum is σ = 8488282891557. Its totient is φ = 1551769050000.

The previous prime is 3879915062477. The next prime is 3879915062503. The reversal of 3879915062500 is 52605199783.

The square root of 3879915062500 is 1969750.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 3 ways, for example, as 3399178066596 + 480736995904 = 1843686^2 + 693352^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3879915062503) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 492433561 + ... + 492441439.

Almost surely, 2^{3879915062500} is an apocalyptic number.

3879915062500 is the 1969750-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3879915062500

3879915062500 is an abundant number, since it is smaller than the sum of its proper divisors (4608367829057).

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

3879915062500 is an frugal number, since it uses more digits than its factorization.

3879915062500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15792 (or 7886 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 55.

The spelling of 3879915062500 in words is "three trillion, eight hundred seventy-nine billion, nine hundred fifteen million, sixty-two thousand, five hundred".