87380306 has 48 divisors (see below), whose sum is σ = 155501640. Its totient is φ = 36556800.

The previous prime is 87380291. The next prime is 87380309. The reversal of 87380306 is 60308378.

It can be written as a sum of positive squares in 12 ways, for example, as 49126081 + 38254225 = 7009^2 + 6185^2 .

It is not an unprimeable number, because it can be changed into a prime (87380309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 217706 + ... + 218106.

Almost surely, 2^87380306 is an apocalyptic number.

87380306 is a deficient number, since it is larger than the sum of its proper divisors (68121334).

87380306 is a wasteful number, since it uses less digits than its factorization.

87380306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 87380306 is about 9347.7433640425. The cubic root of 87380306 is about 443.7494765318.

The spelling of 87380306 in words is "eighty-seven million, three hundred eighty thousand, three hundred six".