87000259426 has 4 divisors (see below), whose sum is σ = 130500389142. Its totient is φ = 43500129712.

The previous prime is 87000259387. The next prime is 87000259441. The reversal of 87000259426 is 62495200078.

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

It can be written as a sum of positive squares in only one way, i.e., 75239941401 + 11760318025 = 274299^2 + 108445^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21750064855 + ... + 21750064858.

Almost surely, 2^87000259426 is an apocalyptic number.

87000259426 is a deficient number, since it is larger than the sum of its proper divisors (43500129716).

87000259426 is a wasteful number, since it uses less digits than its factorization.

87000259426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43500129715.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 87000259426 in words is "eighty-seven billion, two hundred fifty-nine thousand, four hundred twenty-six".