85151751 has 8 divisors (see below), whose sum is σ = 113628144. Its totient is φ = 56721600.

The previous prime is 85151701. The next prime is 85151753. The reversal of 85151751 is 15715158.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85151751 - 2¹⁴ = 85135367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85151753) 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, 7006 + ... + 14811.

It is an arithmetic number, because the mean of its divisors is an integer number (14203518).

Almost surely, 2^85151751 is an apocalyptic number.

85151751 is a deficient number, since it is larger than the sum of its proper divisors (28476393).

85151751 is a wasteful number, since it uses less digits than its factorization.

85151751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23121.

The product of its digits is 7000, while the sum is 33.

The square root of 85151751 is about 9227.7706408428. The cubic root of 85151751 is about 439.9444678539.

The spelling of 85151751 in words is "eighty-five million, one hundred fifty-one thousand, seven hundred fifty-one".