87280302 has 8 divisors (see below), whose sum is σ = 174560616. Its totient is φ = 29093432.

The previous prime is 87280247. The next prime is 87280321. The reversal of 87280302 is 20308278.

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

87280302 is an admirable number.

It is a super-2 number, since 2×87280302² = 15235702234422408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87280302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7273353 + ... + 7273364.

It is an arithmetic number, because the mean of its divisors is an integer number (21820077).

Almost surely, 2^87280302 is an apocalyptic number.

87280302 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

87280302 is a wasteful number, since it uses less digits than its factorization.

87280302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14546722.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 87280302 is about 9342.3927341982. The cubic root of 87280302 is about 443.5801261572.

The spelling of 87280302 in words is "eighty-seven million, two hundred eighty thousand, three hundred two".