3897867999 has 8 divisors (see below), whose sum is σ = 5318021632. Its totient is φ = 2538146520.

The previous prime is 3897867997. The next prime is 3897868027. The reversal of 3897867999 is 9997687983.

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

It is not a de Polignac number, because 3897867999 - 2¹ = 3897867997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3897867999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3897867997) 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, 15107887 + ... + 15108144.

It is an arithmetic number, because the mean of its divisors is an integer number (664752704).

Almost surely, 2^3897867999 is an apocalyptic number.

3897867999 is a deficient number, since it is larger than the sum of its proper divisors (1420153633).

3897867999 is a wasteful number, since it uses less digits than its factorization.

3897867999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30216077.

The product of its digits is 370355328, while the sum is 75.

The square root of 3897867999 is about 62432.9079812882. The cubic root of 3897867999 is about 1573.7740353362.

The spelling of 3897867999 in words is "three billion, eight hundred ninety-seven million, eight hundred sixty-seven thousand, nine hundred ninety-nine".