85297776 has 40 divisors (see below), whose sum is σ = 224516880. Its totient is φ = 27895296.

The previous prime is 85297763. The next prime is 85297781. The reversal of 85297776 is 67779258.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 14221 + ... + 19308.

It is an arithmetic number, because the mean of its divisors is an integer number (5612922).

Almost surely, 2^85297776 is an apocalyptic number.

It is an amenable number.

85297776 is an abundant number, since it is smaller than the sum of its proper divisors (139219104).

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

85297776 is a wasteful number, since it uses less digits than its factorization.

85297776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33593 (or 33587 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 51.

The square root of 85297776 is about 9235.6795093810. The cubic root of 85297776 is about 440.1958081656.

The spelling of 85297776 in words is "eighty-five million, two hundred ninety-seven thousand, seven hundred seventy-six".