87361091 has 8 divisors (see below), whose sum is σ = 88484064. Its totient is φ = 86244480.

The previous prime is 87361073. The next prime is 87361093. The reversal of 87361091 is 19016378.

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 87361091 - 2¹⁰ = 87360067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87361093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29906 + ... + 32696.

It is an arithmetic number, because the mean of its divisors is an integer number (11060508).

Almost surely, 2^87361091 is an apocalyptic number.

87361091 is a deficient number, since it is larger than the sum of its proper divisors (1122973).

87361091 is a wasteful number, since it uses less digits than its factorization.

87361091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3181.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 87361091 is about 9346.7155193683. The cubic root of 87361091 is about 443.7169471910.

The spelling of 87361091 in words is "eighty-seven million, three hundred sixty-one thousand, ninety-one".