85540469893 has 8 divisors (see below), whose sum is σ = 86590058688. Its totient is φ = 84491333184.

The previous prime is 85540469891. The next prime is 85540469957. The reversal of 85540469893 is 39896404558.

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 85540469893 - 2¹ = 85540469891 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 (85540469891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275880 + ... + 497182.

It is an arithmetic number, because the mean of its divisors is an integer number (10823757336).

Almost surely, 2^85540469893 is an apocalyptic number.

85540469893 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

It is an amenable number.

85540469893 is a deficient number, since it is larger than the sum of its proper divisors (1049588795).

85540469893 is a wasteful number, since it uses less digits than its factorization.

85540469893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226043.

The product of its (nonzero) digits is 37324800, while the sum is 61.

The spelling of 85540469893 in words is "eighty-five billion, five hundred forty million, four hundred sixty-nine thousand, eight hundred ninety-three".