85123710 has 80 divisors (see below), whose sum is σ = 261603936. Its totient is φ = 19455552.

The previous prime is 85123699. The next prime is 85123711. The reversal of 85123710 is 1732158.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85123711) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1837 + ... + 13176.

Almost surely, 2^85123710 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85123710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130801968).

85123710 is an abundant number, since it is smaller than the sum of its proper divisors (176480226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85123710 is a wasteful number, since it uses less digits than its factorization.

85123710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15039 (or 15030 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 85123710 is about 9226.2511346700. The cubic root of 85123710 is about 439.8961704042.

Adding to 85123710 its reverse (1732158), we get a palindrome (86855868).

The spelling of 85123710 in words is "eighty-five million, one hundred twenty-three thousand, seven hundred ten".