87203525555 has 16 divisors (see below), whose sum is σ = 105108746688. Its totient is φ = 69453312000.

The previous prime is 87203525531. The next prime is 87203525557. The reversal of 87203525555 is 55552530278.

It is not a de Polignac number, because 87203525555 - 2¹² = 87203521459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87203525557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5282915 + ... + 5299395.

It is an arithmetic number, because the mean of its divisors is an integer number (6569296668).

Almost surely, 2^87203525555 is an apocalyptic number.

87203525555 is a deficient number, since it is larger than the sum of its proper divisors (17905221133).

87203525555 is a wasteful number, since it uses less digits than its factorization.

87203525555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21118.

The product of its (nonzero) digits is 2100000, while the sum is 47.

The spelling of 87203525555 in words is "eighty-seven billion, two hundred three million, five hundred twenty-five thousand, five hundred fifty-five".