85577982 has 32 divisors (see below), whose sum is σ = 196618752. Its totient is φ = 24324384.

The previous prime is 85577969. The next prime is 85577993. The reversal of 85577982 is 28977558.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3103 + ... + 13445.

It is an arithmetic number, because the mean of its divisors is an integer number (6144336).

Almost surely, 2^85577982 is an apocalyptic number.

85577982 is an abundant number, since it is smaller than the sum of its proper divisors (111040770).

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

85577982 is a wasteful number, since it uses less digits than its factorization.

85577982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10552.

The product of its digits is 1411200, while the sum is 51.

The square root of 85577982 is about 9250.8368270119. The cubic root of 85577982 is about 440.6773005471.

The spelling of 85577982 in words is "eighty-five million, five hundred seventy-seven thousand, nine hundred eighty-two".