361143887 has 16 divisors (see below), whose sum is σ = 410212320. Its totient is φ = 315187200.

The previous prime is 361143883. The next prime is 361143899. The reversal of 361143887 is 788341163.

It is not a de Polignac number, because 361143887 - 2² = 361143883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361143883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157187 + ... + 159467.

It is an arithmetic number, because the mean of its divisors is an integer number (25638270).

Almost surely, 2^361143887 is an apocalyptic number.

361143887 is a deficient number, since it is larger than the sum of its proper divisors (49068433).

361143887 is a wasteful number, since it uses less digits than its factorization.

361143887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2954.

The product of its digits is 96768, while the sum is 41.

The square root of 361143887 is about 19003.7861227704. The cubic root of 361143887 is about 712.1313242752.

The spelling of 361143887 in words is "three hundred sixty-one million, one hundred forty-three thousand, eight hundred eighty-seven".