87938902 has 8 divisors (see below), whose sum is σ = 132192216. Its totient is φ = 43874832.

The previous prime is 87938887. The next prime is 87938923. The reversal of 87938902 is 20983978.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46143 + ... + 48010.

It is an arithmetic number, because the mean of its divisors is an integer number (16524027).

Almost surely, 2^87938902 is an apocalyptic number.

87938902 is a deficient number, since it is larger than the sum of its proper divisors (44253314).

87938902 is a wasteful number, since it uses less digits than its factorization.

87938902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94622.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 87938902 is about 9377.5744198593. The cubic root of 87938902 is about 444.6930543299.

The spelling of 87938902 in words is "eighty-seven million, nine hundred thirty-eight thousand, nine hundred two".