948865665 has 72 divisors (see below), whose sum is σ = 1715942592. Its totient is φ = 447392000.

The previous prime is 948865661. The next prime is 948865691. The reversal of 948865665 is 566568849.

It is a happy number.

It is not a de Polignac number, because 948865665 - 2² = 948865661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (948865661) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3050860 + ... + 3051170.

It is an arithmetic number, because the mean of its divisors is an integer number (23832536).

Almost surely, 2^948865665 is an apocalyptic number.

It is an amenable number.

948865665 is a deficient number, since it is larger than the sum of its proper divisors (767076927).

948865665 is a wasteful number, since it uses less digits than its factorization.

948865665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423 (or 371 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 57.

The square root of 948865665 is about 30803.6631750186. The cubic root of 948865665 is about 982.6561516535.

The spelling of 948865665 in words is "nine hundred forty-eight million, eight hundred sixty-five thousand, six hundred sixty-five".