65275808 has 24 divisors (see below), whose sum is σ = 138398148. Its totient is φ = 30127104.

The previous prime is 65275799. The next prime is 65275823. The reversal of 65275808 is 80857256.

It can be written as a sum of positive squares in 2 ways, for example, as 65092624 + 183184 = 8068^2 + 428^2 .

It is a super-2 number, since 2×65275808² = 8521862220105728, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 78041 + ... + 78872.

Almost surely, 2^65275808 is an apocalyptic number.

It is an amenable number.

65275808 is an abundant number, since it is smaller than the sum of its proper divisors (73122340).

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

65275808 is a wasteful number, since it uses less digits than its factorization.

65275808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156936 (or 156928 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 65275808 is about 8079.3445278686. The cubic root of 65275808 is about 402.6404648438.

The spelling of 65275808 in words is "sixty-five million, two hundred seventy-five thousand, eight hundred eight".