87361090 has 8 divisors (see below), whose sum is σ = 157249980. Its totient is φ = 34944432.

The previous prime is 87361073. The next prime is 87361093. The reversal of 87361090 is 9016378.

It can be written as a sum of positive squares in 2 ways, for example, as 84842521 + 2518569 = 9211^2 + 1587^2 .

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

It is not an unprimeable number, because it can be changed into a prime (87361093) 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, 4368045 + ... + 4368064.

Almost surely, 2^87361090 is an apocalyptic number.

87361090 is a deficient number, since it is larger than the sum of its proper divisors (69888890).

87361090 is a wasteful number, since it uses less digits than its factorization.

87361090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8736116.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 87361090 is about 9346.7154658736. The cubic root of 87361090 is about 443.7169454979.

The spelling of 87361090 in words is "eighty-seven million, three hundred sixty-one thousand, ninety".