65632064772 has 24 divisors (see below), whose sum is σ = 153357500800. Its totient is φ = 21846495456.

The previous prime is 65632064767. The next prime is 65632064777. The reversal of 65632064772 is 27746023656.

It is an interprime number because it is at equal distance from previous prime (65632064767) and next prime (65632064777).

It is not an unprimeable number, because it can be changed into a prime (65632064777) 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, 3848572 + ... + 3865587.

Almost surely, 2^65632064772 is an apocalyptic number.

It is an amenable number.

65632064772 is an abundant number, since it is smaller than the sum of its proper divisors (87725436028).

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

65632064772 is a wasteful number, since it uses less digits than its factorization.

65632064772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7714875 (or 7714873 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 65632064772 in words is "sixty-five billion, six hundred thirty-two million, sixty-four thousand, seven hundred seventy-two".