361009987 has 8 divisors (see below), whose sum is σ = 389367104. Its totient is φ = 332736768.

The previous prime is 361009969. The next prime is 361009993. The reversal of 361009987 is 789900163.

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

It is a de Polignac number, because none of the positive numbers 2^k-361009987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (361009927) 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, 11883 + ... + 29380.

It is an arithmetic number, because the mean of its divisors is an integer number (48670888).

Almost surely, 2^361009987 is an apocalyptic number.

361009987 is a deficient number, since it is larger than the sum of its proper divisors (28357117).

361009987 is a wasteful number, since it uses less digits than its factorization.

361009987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41949.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 361009987 is about 19000.2628139718. The cubic root of 361009987 is about 712.0433019523.

The spelling of 361009987 in words is "three hundred sixty-one million, nine thousand, nine hundred eighty-seven".