85111750 has 16 divisors (see below), whose sum is σ = 159329664. Its totient is φ = 34044600.

The previous prime is 85111739. The next prime is 85111751. The reversal of 85111750 is 5711158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85111751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169974 + ... + 170473.

It is an arithmetic number, because the mean of its divisors is an integer number (9958104).

Almost surely, 2^85111750 is an apocalyptic number.

85111750 is a deficient number, since it is larger than the sum of its proper divisors (74217914).

85111750 is a wasteful number, since it uses less digits than its factorization.

85111750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340464 (or 340454 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 28.

The square root of 85111750 is about 9225.6029613245. The cubic root of 85111750 is about 439.8755674307.

The spelling of 85111750 in words is "eighty-five million, one hundred eleven thousand, seven hundred fifty".