19550670087 has 16 divisors (see below), whose sum is σ = 28978331648. Its totient is φ = 11643078240.

The previous prime is 19550670067. The next prime is 19550670119. The reversal of 19550670087 is 78007605591.

It is not a de Polignac number, because 19550670087 - 2⁶ = 19550670023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19550670017) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 8084263 + ... + 8086680.

It is an arithmetic number, because the mean of its divisors is an integer number (1811145728).

Almost surely, 2^19550670087 is an apocalyptic number.

19550670087 is a deficient number, since it is larger than the sum of its proper divisors (9427661561).

19550670087 is a wasteful number, since it uses less digits than its factorization.

19550670087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16170990.

The product of its (nonzero) digits is 529200, while the sum is 48.

The spelling of 19550670087 in words is "nineteen billion, five hundred fifty million, six hundred seventy thousand, eighty-seven".