65085810 has 32 divisors (see below), whose sum is σ = 158542272. Its totient is φ = 17096640.

The previous prime is 65085767. The next prime is 65085847. The reversal of 65085810 is 1858056.

It is a super-2 number, since 2×65085810² = 8472325326712200, which contains 22 as substring.

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, 14181 + ... + 18200.

It is an arithmetic number, because the mean of its divisors is an integer number (4954446).

Almost surely, 2^65085810 is an apocalyptic number.

65085810 is an abundant number, since it is smaller than the sum of its proper divisors (93456462).

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

65085810 is a wasteful number, since it uses less digits than its factorization.

65085810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32458.

The product of its (nonzero) digits is 9600, while the sum is 33.

The square root of 65085810 is about 8067.5777033754. The cubic root of 65085810 is about 402.2494306090.

The spelling of 65085810 in words is "sixty-five million, eighty-five thousand, eight hundred ten".