85877877859 has 8 divisors (see below), whose sum is σ = 86929800048. Its totient is φ = 84829355520.

The previous prime is 85877877829. The next prime is 85877877887. The reversal of 85877877859 is 95877877858.

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 85877877859 - 2⁷ = 85877877731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85877877829) 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, 799117 + ... + 900190.

It is an arithmetic number, because the mean of its divisors is an integer number (10866225006).

Almost surely, 2^85877877859 is an apocalyptic number.

85877877859 is a deficient number, since it is larger than the sum of its proper divisors (1051922189).

85877877859 is a wasteful number, since it uses less digits than its factorization.

85877877859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699925.

The product of its digits is 2212761600, while the sum is 79.

Subtracting 85877877859 from its reverse (95877877858), we obtain a palindrome (9999999999).

The spelling of 85877877859 in words is "eighty-five billion, eight hundred seventy-seven million, eight hundred seventy-seven thousand, eight hundred fifty-nine".