85391869268 has 24 divisors (see below), whose sum is σ = 155277878784. Its totient is φ = 41045004000.

The previous prime is 85391869247. The next prime is 85391869289. The reversal of 85391869268 is 86296819358.

It is an interprime number because it is at equal distance from previous prime (85391869247) and next prime (85391869289).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2261555 + ... + 2299002.

It is an arithmetic number, because the mean of its divisors is an integer number (6469911616).

Almost surely, 2^85391869268 is an apocalyptic number.

It is an amenable number.

85391869268 is a deficient number, since it is larger than the sum of its proper divisors (69886009516).

85391869268 is a wasteful number, since it uses less digits than its factorization.

85391869268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4560743 (or 4560741 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 65.

The spelling of 85391869268 in words is "eighty-five billion, three hundred ninety-one million, eight hundred sixty-nine thousand, two hundred sixty-eight".