87258907019 has 8 divisors (see below), whose sum is σ = 87916745280. Its totient is φ = 86601498696.

The previous prime is 87258907009. The next prime is 87258907067. The reversal of 87258907019 is 91070985278.

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 87258907019 - 2⁴ = 87258907003 is a prime.

It is a super-2 number, since 2×87258907019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87258907009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305924 + ... + 517790.

It is an arithmetic number, because the mean of its divisors is an integer number (10989593160).

Almost surely, 2^87258907019 is an apocalyptic number.

87258907019 is a deficient number, since it is larger than the sum of its proper divisors (657838261).

87258907019 is a wasteful number, since it uses less digits than its factorization.

87258907019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214969.

The product of its (nonzero) digits is 2540160, while the sum is 56.

The spelling of 87258907019 in words is "eighty-seven billion, two hundred fifty-eight million, nine hundred seven thousand, nineteen".