203116874487 has 4 divisors (see below), whose sum is σ = 270822499320. Its totient is φ = 135411249656.

The previous prime is 203116874461. The next prime is 203116874489. The reversal of 203116874487 is 784478611302.

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

It is a cyclic number.

It is not a de Polignac number, because 203116874487 - 2⁶ = 203116874423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203116874489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33852812412 + ... + 33852812417.

It is an arithmetic number, because the mean of its divisors is an integer number (67705624830).

Almost surely, 2^203116874487 is an apocalyptic number.

203116874487 is a deficient number, since it is larger than the sum of its proper divisors (67705624833).

203116874487 is an equidigital number, since it uses as much as digits as its factorization.

203116874487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67705624832.

The product of its (nonzero) digits is 1806336, while the sum is 51.

The spelling of 203116874487 in words is "two hundred three billion, one hundred sixteen million, eight hundred seventy-four thousand, four hundred eighty-seven".