65577696 has 48 divisors (see below), whose sum is σ = 176350608. Its totient is φ = 21324800.

The previous prime is 65577691. The next prime is 65577697. The reversal of 65577696 is 69677556.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65577691) 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, 4395 + ... + 12266.

It is an arithmetic number, because the mean of its divisors is an integer number (3673971).

Almost surely, 2^65577696 is an apocalyptic number.

It is an amenable number.

65577696 is an abundant number, since it is smaller than the sum of its proper divisors (110772912).

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

65577696 is a wasteful number, since it uses less digits than its factorization.

65577696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16715 (or 16707 counting only the distinct ones).

The product of its digits is 2381400, while the sum is 51.

The square root of 65577696 is about 8098.0056804129. The cubic root of 65577696 is about 403.2602218564.

The spelling of 65577696 in words is "sixty-five million, five hundred seventy-seven thousand, six hundred ninety-six".