87030802 has 4 divisors (see below), whose sum is σ = 130546206. Its totient is φ = 43515400.

The previous prime is 87030799. The next prime is 87030817. The reversal of 87030802 is 20803078.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 86657481 + 373321 = 9309^2 + 611^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21757699 + ... + 21757702.

Almost surely, 2^87030802 is an apocalyptic number.

87030802 is a deficient number, since it is larger than the sum of its proper divisors (43515404).

87030802 is a wasteful number, since it uses less digits than its factorization.

87030802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43515403.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 87030802 is about 9329.0300674829. The cubic root of 87030802 is about 443.1570491520.

The spelling of 87030802 in words is "eighty-seven million, thirty thousand, eight hundred two".