85266755 has 16 divisors (see below), whose sum is σ = 117089280. Its totient is φ = 58392672.

The previous prime is 85266743. The next prime is 85266761. The reversal of 85266755 is 55766258.

It is a Cunningham number, because it is equal to 9234²-1.

It is a cyclic number.

It is not a de Polignac number, because 85266755 - 2⁴ = 85266739 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45242 + ... + 47088.

It is an arithmetic number, because the mean of its divisors is an integer number (7318080).

Almost surely, 2^85266755 is an apocalyptic number.

85266755 is a deficient number, since it is larger than the sum of its proper divisors (31822525).

85266755 is a wasteful number, since it uses less digits than its factorization.

85266755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3178.

The product of its digits is 504000, while the sum is 44.

The square root of 85266755 is about 9233.9999458523. Note that the first 4 decimals coincide. The cubic root of 85266755 is about 440.1424383885.

The spelling of 85266755 in words is "eighty-five million, two hundred sixty-six thousand, seven hundred fifty-five".