85757928 has 32 divisors (see below), whose sum is σ = 227007360. Its totient is φ = 26904320.

The previous prime is 85757921. The next prime is 85757929. The reversal of 85757928 is 82975758.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (85757921) 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, 104688 + ... + 105503.

It is an arithmetic number, because the mean of its divisors is an integer number (7093980).

Almost surely, 2^85757928 is an apocalyptic number.

It is an amenable number.

85757928 is an abundant number, since it is smaller than the sum of its proper divisors (141249432).

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

85757928 is a wasteful number, since it uses less digits than its factorization.

85757928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210217 (or 210213 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 51.

The square root of 85757928 is about 9260.5576505953. The cubic root of 85757928 is about 440.9859570500.

It can be divided in two parts, 857 and 57928, that added together give a palindrome (58785).

The spelling of 85757928 in words is "eighty-five million, seven hundred fifty-seven thousand, nine hundred twenty-eight".