85802026917 has 4 divisors (see below), whose sum is σ = 114402702560. Its totient is φ = 57201351276.

The previous prime is 85802026909. The next prime is 85802026943. The reversal of 85802026917 is 71962020858.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 85802026917 - 2³ = 85802026909 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 (85802026117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14300337817 + ... + 14300337822.

It is an arithmetic number, because the mean of its divisors is an integer number (28600675640).

Almost surely, 2^85802026917 is an apocalyptic number.

It is an amenable number.

85802026917 is a deficient number, since it is larger than the sum of its proper divisors (28600675643).

85802026917 is a wasteful number, since it uses less digits than its factorization.

85802026917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28600675642.

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 85802026917 in words is "eighty-five billion, eight hundred two million, twenty-six thousand, nine hundred seventeen".