65680808 has 32 divisors (see below), whose sum is σ = 126403200. Its totient is φ = 31980672.

The previous prime is 65680799. The next prime is 65680817. The reversal of 65680808 is 80808656.

It is an interprime number because it is at equal distance from previous prime (65680799) and next prime (65680817).

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, 115148 + ... + 115716.

It is an arithmetic number, because the mean of its divisors is an integer number (3950100).

Almost surely, 2^65680808 is an apocalyptic number.

It is an amenable number.

65680808 is a deficient number, since it is larger than the sum of its proper divisors (60722392).

65680808 is a wasteful number, since it uses less digits than its factorization.

65680808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929 (or 925 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 65680808 is about 8104.3696855462. The cubic root of 65680808 is about 403.4714684442.

The spelling of 65680808 in words is "sixty-five million, six hundred eighty thousand, eight hundred eight".