87378874203 has 4 divisors (see below), whose sum is σ = 116505165608. Its totient is φ = 58252582800.

The previous prime is 87378874139. The next prime is 87378874207. The reversal of 87378874203 is 30247887378.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 87378874203 - 2⁶ = 87378874139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87378874207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14563145698 + ... + 14563145703.

It is an arithmetic number, because the mean of its divisors is an integer number (29126291402).

Almost surely, 2^87378874203 is an apocalyptic number.

87378874203 is a deficient number, since it is larger than the sum of its proper divisors (29126291405).

87378874203 is a wasteful number, since it uses less digits than its factorization.

87378874203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29126291404.

The product of its (nonzero) digits is 12644352, while the sum is 57.

The spelling of 87378874203 in words is "eighty-seven billion, three hundred seventy-eight million, eight hundred seventy-four thousand, two hundred three".