87038638 has 8 divisors (see below), whose sum is σ = 134769600. Its totient is φ = 42115440.

The previous prime is 87038593. The next prime is 87038659. The reversal of 87038638 is 83683078.

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

It is a junction number, because it is equal to n+sod(n) for n = 87038594 and 87038603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 701863 + ... + 701986.

It is an arithmetic number, because the mean of its divisors is an integer number (16846200).

Almost surely, 2^87038638 is an apocalyptic number.

87038638 is a deficient number, since it is larger than the sum of its proper divisors (47730962).

87038638 is a wasteful number, since it uses less digits than its factorization.

87038638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403882.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 87038638 is about 9329.4500373816. The cubic root of 87038638 is about 443.1703489430.

The spelling of 87038638 in words is "eighty-seven million, thirty-eight thousand, six hundred thirty-eight".