85189893507 has 12 divisors (see below), whose sum is σ = 126209496520. Its totient is φ = 56792251260.

The previous prime is 85189893487. The next prime is 85189893517. The reversal of 85189893507 is 70539898158.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

85189893507 is a `hidden beast` number, since 8 + 518 + 9 + 89 + 35 + 0 + 7 = 666.

It is not a de Polignac number, because 85189893507 - 2⁸ = 85189893251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85189893517) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1488532 + ... + 1544702.

Almost surely, 2^85189893507 is an apocalyptic number.

85189893507 is a deficient number, since it is larger than the sum of its proper divisors (41019603013).

85189893507 is an frugal number, since it uses more digits than its factorization.

85189893507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112351 (or 56174 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 63.

The spelling of 85189893507 in words is "eighty-five billion, one hundred eighty-nine million, eight hundred ninety-three thousand, five hundred seven".