361327861 has 4 divisors (see below), whose sum is σ = 377037792. Its totient is φ = 345617932.

The previous prime is 361327853. The next prime is 361327873. The reversal of 361327861 is 168723163.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 361327861 - 2³ = 361327853 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 361327861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361327361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7854931 + ... + 7854976.

It is an arithmetic number, because the mean of its divisors is an integer number (94259448).

Almost surely, 2^361327861 is an apocalyptic number.

It is an amenable number.

361327861 is a deficient number, since it is larger than the sum of its proper divisors (15709931).

361327861 is a wasteful number, since it uses less digits than its factorization.

361327861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15709930.

The product of its digits is 36288, while the sum is 37.

The square root of 361327861 is about 19008.6259629674. The cubic root of 361327861 is about 712.2522284469.

The spelling of 361327861 in words is "three hundred sixty-one million, three hundred twenty-seven thousand, eight hundred sixty-one".