87938030 has 16 divisors (see below), whose sum is σ = 162149904. Its totient is φ = 34317120.

The previous prime is 87938029. The next prime is 87938033. The reversal of 87938030 is 3083978.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87938033) 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, 106832 + ... + 107651.

It is an arithmetic number, because the mean of its divisors is an integer number (10134369).

Almost surely, 2^87938030 is an apocalyptic number.

87938030 is a deficient number, since it is larger than the sum of its proper divisors (74211874).

87938030 is a wasteful number, since it uses less digits than its factorization.

87938030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214531.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 87938030 is about 9377.5279258448. The cubic root of 87938030 is about 444.6915844699.

The spelling of 87938030 in words is "eighty-seven million, nine hundred thirty-eight thousand, thirty".