87080290 has 32 divisors (see below), whose sum is σ = 181056384. Its totient is φ = 29802240.

The previous prime is 87080267. The next prime is 87080291. The reversal of 87080290 is 9208078.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (87080291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21414 + ... + 25153.

It is an arithmetic number, because the mean of its divisors is an integer number (5658012).

Almost surely, 2^87080290 is an apocalyptic number.

87080290 is an abundant number, since it is smaller than the sum of its proper divisors (93976094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87080290 is a wasteful number, since it uses less digits than its factorization.

87080290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46602.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 87080290 is about 9331.6820563069. The cubic root of 87080290 is about 443.2410301488.

The spelling of 87080290 in words is "eighty-seven million, eighty thousand, two hundred ninety".