85577944 has 8 divisors (see below), whose sum is σ = 160458660. Its totient is φ = 42788968.

The previous prime is 85577939. The next prime is 85577953. The reversal of 85577944 is 44977558.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5348614 + ... + 5348629.

Almost surely, 2^85577944 is an apocalyptic number.

It is an amenable number.

85577944 is a deficient number, since it is larger than the sum of its proper divisors (74880716).

85577944 is a wasteful number, since it uses less digits than its factorization.

85577944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10697249 (or 10697245 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 49.

The square root of 85577944 is about 9250.8347731434. The cubic root of 85577944 is about 440.6772353210.

The spelling of 85577944 in words is "eighty-five million, five hundred seventy-seven thousand, nine hundred forty-four".