85706151 has 4 divisors (see below), whose sum is σ = 114274872. Its totient is φ = 57137432.

The previous prime is 85706099. The next prime is 85706167. The reversal of 85706151 is 15160758.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85706151 - 2⁶ = 85706087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85706191) 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, 14284356 + ... + 14284361.

It is an arithmetic number, because the mean of its divisors is an integer number (28568718).

Almost surely, 2^85706151 is an apocalyptic number.

85706151 is a deficient number, since it is larger than the sum of its proper divisors (28568721).

85706151 is a wasteful number, since it uses less digits than its factorization.

85706151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28568720.

The product of its (nonzero) digits is 8400, while the sum is 33.

The square root of 85706151 is about 9257.7616625186. The cubic root of 85706151 is about 440.8971896432.

The spelling of 85706151 in words is "eighty-five million, seven hundred six thousand, one hundred fifty-one".