85377928 has 16 divisors (see below), whose sum is σ = 160609680. Its totient is φ = 42548688.

The previous prime is 85377923. The next prime is 85377931. The reversal of 85377928 is 82977358.

It is not an unprimeable number, because it can be changed into a prime (85377923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14926 + ... + 19837.

It is an arithmetic number, because the mean of its divisors is an integer number (10038105).

Almost surely, 2^85377928 is an apocalyptic number.

It is an amenable number.

85377928 is a deficient number, since it is larger than the sum of its proper divisors (75231752).

85377928 is a wasteful number, since it uses less digits than its factorization.

85377928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35076 (or 35072 counting only the distinct ones).

The product of its digits is 846720, while the sum is 49.

The square root of 85377928 is about 9240.0177489007. The cubic root of 85377928 is about 440.3336450100. Note that the first 3 decimals are identical.

The spelling of 85377928 in words is "eighty-five million, three hundred seventy-seven thousand, nine hundred twenty-eight".