3872149715 has 32 divisors (see below), whose sum is σ = 5461668864. Its totient is φ = 2579748480.

The previous prime is 3872149711. The next prime is 3872149717. The reversal of 3872149715 is 5179412783.

3872149715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3872149715 - 2² = 3872149711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3872149715.

It is not an unprimeable number, because it can be changed into a prime (3872149711) 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, 1146980 + ... + 1150350.

It is an arithmetic number, because the mean of its divisors is an integer number (170677152).

Almost surely, 2^3872149715 is an apocalyptic number.

3872149715 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3872149715 is a deficient number, since it is larger than the sum of its proper divisors (1589519149).

3872149715 is a wasteful number, since it uses less digits than its factorization.

3872149715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4307.

The product of its digits is 423360, while the sum is 47.

The square root of 3872149715 is about 62226.5997383755. The cubic root of 3872149715 is about 1570.3051207590.

The spelling of 3872149715 in words is "three billion, eight hundred seventy-two million, one hundred forty-nine thousand, seven hundred fifteen".