3872850815 has 8 divisors (see below), whose sum is σ = 4662083520. Its totient is φ = 3088505632.

The previous prime is 3872850811. The next prime is 3872850829. The reversal of 3872850815 is 5180582783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3872850815 - 2² = 3872850811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3872850815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3872850811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1220135 + ... + 1223304.

It is an arithmetic number, because the mean of its divisors is an integer number (582760440).

Almost surely, 2^3872850815 is an apocalyptic number.

3872850815 is a deficient number, since it is larger than the sum of its proper divisors (789232705).

3872850815 is a wasteful number, since it uses less digits than its factorization.

3872850815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2443761.

The product of its (nonzero) digits is 537600, while the sum is 47.

The square root of 3872850815 is about 62232.2329263542. The cubic root of 3872850815 is about 1570.3998893468.

The spelling of 3872850815 in words is "three billion, eight hundred seventy-two million, eight hundred fifty thousand, eight hundred fifteen".