64073626785 has 96 divisors (see below), whose sum is σ = 132790275072. Its totient is φ = 27968117760.

The previous prime is 64073626783. The next prime is 64073626787. The reversal of 64073626785 is 58762637046.

64073626785 is a `hidden beast` number, since 6 + 4 + 0 + 7 + 3 + 626 + 7 + 8 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (64073626783) and next prime (64073626787).

It is not a de Polignac number, because 64073626785 - 2¹ = 64073626783 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (64073626783) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 554227 + ... + 659783.

It is an arithmetic number, because the mean of its divisors is an integer number (1383232032).

Almost surely, 2^64073626785 is an apocalyptic number.

It is an amenable number.

64073626785 is an abundant number, since it is smaller than the sum of its proper divisors (68716648287).

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

64073626785 is a wasteful number, since it uses less digits than its factorization.

64073626785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105663 (or 105660 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 54.

The spelling of 64073626785 in words is "sixty-four billion, seventy-three million, six hundred twenty-six thousand, seven hundred eighty-five".