3801543987 has 8 divisors (see below), whose sum is σ = 5069077200. Its totient is φ = 2534186720.

The previous prime is 3801543971. The next prime is 3801544007. The reversal of 3801543987 is 7893451083.

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 3801543987 - 2⁴ = 3801543971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3801543787) 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, 19537 + ... + 89357.

It is an arithmetic number, because the mean of its divisors is an integer number (633634650).

Almost surely, 2^3801543987 is an apocalyptic number.

3801543987 is a deficient number, since it is larger than the sum of its proper divisors (1267533213).

3801543987 is a wasteful number, since it uses less digits than its factorization.

3801543987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87973.

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 3801543987 is about 61656.6621461136. The cubic root of 3801543987 is about 1560.7020709874.

The spelling of 3801543987 in words is "three billion, eight hundred one million, five hundred forty-three thousand, nine hundred eighty-seven".