64780962435 has 32 divisors (see below), whose sum is σ = 131618465280. Its totient is φ = 29614153824.

The previous prime is 64780962427. The next prime is 64780962437. The reversal of 64780962435 is 53426908746.

64780962435 is a `hidden beast` number, since 6 + 4 + 7 + 8 + 0 + 9 + 624 + 3 + 5 = 666.

64780962435 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64780962435 - 2³ = 64780962427 is a prime.

It is a super-2 number, since 2×64780962435² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64780962437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34274697 + ... + 34276586.

It is an arithmetic number, because the mean of its divisors is an integer number (4113077040).

Almost surely, 2^64780962435 is an apocalyptic number.

64780962435 is an abundant number, since it is smaller than the sum of its proper divisors (66837502845).

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

64780962435 is a wasteful number, since it uses less digits than its factorization.

64780962435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68551304 (or 68551298 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 64780962435 in words is "sixty-four billion, seven hundred eighty million, nine hundred sixty-two thousand, four hundred thirty-five".