65870963 has 12 divisors (see below), whose sum is σ = 67987200. Its totient is φ = 63813456.

The previous prime is 65870951. The next prime is 65871007. The reversal of 65870963 is 36907856.

It is not a de Polignac number, because 65870963 - 2¹⁰ = 65869939 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65870933) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 442013 + ... + 442161.

It is an arithmetic number, because the mean of its divisors is an integer number (5665600).

Almost surely, 2^65870963 is an apocalyptic number.

65870963 is a deficient number, since it is larger than the sum of its proper divisors (2116237).

65870963 is a wasteful number, since it uses less digits than its factorization.

65870963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 65870963 is about 8116.0928407701. The cubic root of 65870963 is about 403.8604618093.

The spelling of 65870963 in words is "sixty-five million, eight hundred seventy thousand, nine hundred sixty-three".