64242676782 has 24 divisors (see below), whose sum is σ = 140869487304. Its totient is φ = 21156222384.

The previous prime is 64242676753. The next prime is 64242676787. The reversal of 64242676782 is 28767624246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64242676787) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21498733 + ... + 21501720.

It is an arithmetic number, because the mean of its divisors is an integer number (5869561971).

Almost surely, 2^64242676782 is an apocalyptic number.

64242676782 is an abundant number, since it is smaller than the sum of its proper divisors (76626810522).

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

64242676782 is a wasteful number, since it uses less digits than its factorization.

64242676782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43000544 (or 43000541 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 54.

The spelling of 64242676782 in words is "sixty-four billion, two hundred forty-two million, six hundred seventy-six thousand, seven hundred eighty-two".