65712250008 has 48 divisors (see below), whose sum is σ = 180477320400. Its totient is φ = 21595573440.

The previous prime is 65712250003. The next prime is 65712250033. The reversal of 65712250008 is 80005221756.

It is a happy number.

65712250008 is a `hidden beast` number, since 65 + 71 + 22 + 500 + 0 + 8 = 666.

It is a super-2 number, since 2×65712250008² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65712250003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6422143 + ... + 6432366.

It is an arithmetic number, because the mean of its divisors is an integer number (3759944175).

Almost surely, 2^65712250008 is an apocalyptic number.

It is an amenable number.

65712250008 is an abundant number, since it is smaller than the sum of its proper divisors (114765070392).

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

65712250008 is a wasteful number, since it uses less digits than its factorization.

65712250008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12854592 (or 12854585 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The spelling of 65712250008 in words is "sixty-five billion, seven hundred twelve million, two hundred fifty thousand, eight".