85778076 has 24 divisors (see below), whose sum is σ = 200471040. Its totient is φ = 28546672.

The previous prime is 85778059. The next prime is 85778081. The reversal of 85778076 is 67087758.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2485 + ... + 13331.

It is an arithmetic number, because the mean of its divisors is an integer number (8352960).

Almost surely, 2^85778076 is an apocalyptic number.

It is an amenable number.

85778076 is an abundant number, since it is smaller than the sum of its proper divisors (114692964).

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

85778076 is a wasteful number, since it uses less digits than its factorization.

85778076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11513 (or 11511 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 48.

The square root of 85778076 is about 9261.6454261648. The cubic root of 85778076 is about 441.0204894815.

It can be divided in two parts, 8577 and 8076, that added together give a triangular number (16653 = T₁₈₂).

The spelling of 85778076 in words is "eighty-five million, seven hundred seventy-eight thousand, seventy-six".