85278136 has 32 divisors (see below), whose sum is σ = 163098000. Its totient is φ = 41792256.

The previous prime is 85278119. The next prime is 85278139. The reversal of 85278136 is 63187258.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85278139) 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, 208300 + ... + 208708.

Almost surely, 2^85278136 is an apocalyptic number.

It is an amenable number.

85278136 is a deficient number, since it is larger than the sum of its proper divisors (77819864).

85278136 is a wasteful number, since it uses less digits than its factorization.

85278136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871 (or 867 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 85278136 is about 9234.6161804376. The cubic root of 85278136 is about 440.1620202221.

The spelling of 85278136 in words is "eighty-five million, two hundred seventy-eight thousand, one hundred thirty-six".