87792365 has 4 divisors (see below), whose sum is σ = 105350844. Its totient is φ = 70233888.

The previous prime is 87792361. The next prime is 87792371. The reversal of 87792365 is 56329778.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18003049 + 69789316 = 4243^2 + 8354^2 .

It is a cyclic number.

It is not a de Polignac number, because 87792365 - 2² = 87792361 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 (87792361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8779232 + ... + 8779241.

It is an arithmetic number, because the mean of its divisors is an integer number (26337711).

Almost surely, 2^87792365 is an apocalyptic number.

It is an amenable number.

87792365 is a deficient number, since it is larger than the sum of its proper divisors (17558479).

87792365 is a wasteful number, since it uses less digits than its factorization.

87792365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17558478.

The product of its digits is 635040, while the sum is 47.

The square root of 87792365 is about 9369.7580011439. The cubic root of 87792365 is about 444.4459122289.

The spelling of 87792365 in words is "eighty-seven million, seven hundred ninety-two thousand, three hundred sixty-five".