64235958672 has 40 divisors (see below), whose sum is σ = 169802035744. Its totient is φ = 20914032384.

The previous prime is 64235958671. The next prime is 64235958697. The reversal of 64235958672 is 27685953246.

64235958672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (64235958671) 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, 15558973 + ... + 15563100.

Almost surely, 2^64235958672 is an apocalyptic number.

It is an amenable number.

64235958672 is an abundant number, since it is smaller than the sum of its proper divisors (105566077072).

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

64235958672 is a wasteful number, since it uses less digits than its factorization.

64235958672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31122127 (or 31122121 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 57.

The spelling of 64235958672 in words is "sixty-four billion, two hundred thirty-five million, nine hundred fifty-eight thousand, six hundred seventy-two".