65255178804 has 24 divisors (see below), whose sum is σ = 152592383328. Its totient is φ = 21704540640.

The previous prime is 65255178803. The next prime is 65255178811. The reversal of 65255178804 is 40887155256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65255178803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5892442 + ... + 5903505.

It is an arithmetic number, because the mean of its divisors is an integer number (6358015972).

Almost surely, 2^65255178804 is an apocalyptic number.

It is an amenable number.

65255178804 is an abundant number, since it is smaller than the sum of its proper divisors (87337204524).

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

65255178804 is a wasteful number, since it uses less digits than its factorization.

65255178804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11796415 (or 11796413 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 51.

The spelling of 65255178804 in words is "sixty-five billion, two hundred fifty-five million, one hundred seventy-eight thousand, eight hundred four".