87638175803 has 8 divisors (see below), whose sum is σ = 90148215696. Its totient is φ = 85145875200.

The previous prime is 87638175767. The next prime is 87638175817. The reversal of 87638175803 is 30857183678.

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

It is a cyclic number.

It is not a de Polignac number, because 87638175803 - 2¹⁶ = 87638110267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87638175103) 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, 4424801 + ... + 4444562.

It is an arithmetic number, because the mean of its divisors is an integer number (11268526962).

Almost surely, 2^87638175803 is an apocalyptic number.

87638175803 is a deficient number, since it is larger than the sum of its proper divisors (2510039893).

87638175803 is a wasteful number, since it uses less digits than its factorization.

87638175803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8869645.

The product of its (nonzero) digits is 6773760, while the sum is 56.

The spelling of 87638175803 in words is "eighty-seven billion, six hundred thirty-eight million, one hundred seventy-five thousand, eight hundred three".