87889330 has 16 divisors (see below), whose sum is σ = 158776920. Its totient is φ = 35027712.

The previous prime is 87889301. The next prime is 87889331. The reversal of 87889330 is 3398878.

It can be written as a sum of positive squares in 4 ways, for example, as 76860289 + 11029041 = 8767^2 + 3321^2 .

It is not an unprimeable number, because it can be changed into a prime (87889331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13095 + ... + 18634.

Almost surely, 2^87889330 is an apocalyptic number.

87889330 is a deficient number, since it is larger than the sum of its proper divisors (70887590).

87889330 is a wasteful number, since it uses less digits than its factorization.

87889330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32013.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 87889330 is about 9374.9309330789. The cubic root of 87889330 is about 444.6094793815.

The spelling of 87889330 in words is "eighty-seven million, eight hundred eighty-nine thousand, three hundred thirty".