85952603691 has 24 divisors (see below), whose sum is σ = 128353775264. Its totient is φ = 55383782400.

The previous prime is 85952603677. The next prime is 85952603699. The reversal of 85952603691 is 19630625958.

It is a happy number.

85952603691 is a `hidden beast` number, since 8 + 59 + 526 + 0 + 3 + 69 + 1 = 666.

It is not a de Polignac number, because 85952603691 - 2¹¹ = 85952601643 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85952603699) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 804406 + ... + 904971.

Almost surely, 2^85952603691 is an apocalyptic number.

85952603691 is a deficient number, since it is larger than the sum of its proper divisors (42401171573).

85952603691 is a wasteful number, since it uses less digits than its factorization.

85952603691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709571 (or 1709568 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 54.

The spelling of 85952603691 in words is "eighty-five billion, nine hundred fifty-two million, six hundred three thousand, six hundred ninety-one".