19576872085 has 32 divisors (see below), whose sum is σ = 25090103808. Its totient is φ = 14642234880.

The previous prime is 19576872061. The next prime is 19576872089. The reversal of 19576872085 is 58027867591.

It is not a de Polignac number, because 19576872085 - 2⁷ = 19576871957 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 (19576872089) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 446244 + ... + 488146.

It is an arithmetic number, because the mean of its divisors is an integer number (784065744).

Almost surely, 2^19576872085 is an apocalyptic number.

It is an amenable number.

19576872085 is a deficient number, since it is larger than the sum of its proper divisors (5513231723).

19576872085 is a wasteful number, since it uses less digits than its factorization.

19576872085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42045.

The product of its (nonzero) digits is 8467200, while the sum is 58.

The spelling of 19576872085 in words is "nineteen billion, five hundred seventy-six million, eight hundred seventy-two thousand, eighty-five".