85478392 has 8 divisors (see below), whose sum is σ = 160272000. Its totient is φ = 42739192.

The previous prime is 85478387. The next prime is 85478413. The reversal of 85478392 is 29387458.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5342392 + ... + 5342407.

It is an arithmetic number, because the mean of its divisors is an integer number (20034000).

Almost surely, 2^85478392 is an apocalyptic number.

It is an amenable number.

85478392 is a deficient number, since it is larger than the sum of its proper divisors (74793608).

85478392 is a wasteful number, since it uses less digits than its factorization.

85478392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10684805 (or 10684801 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 85478392 is about 9245.4525037988. The cubic root of 85478392 is about 440.5062904865.

The spelling of 85478392 in words is "eighty-five million, four hundred seventy-eight thousand, three hundred ninety-two".