64352875427775 has 72 divisors (see below), whose sum is σ = 125743290057216. Its totient is φ = 31200979348800.

The previous prime is 64352875427749. The next prime is 64352875427779. The reversal of 64352875427775 is 57772457825346.

64352875427775 is a `hidden beast` number, since 6 + 4 + 3 + 5 + 2 + 8 + 7 + 542 + 7 + 7 + 75 = 666.

It is not a de Polignac number, because 64352875427775 - 2¹² = 64352875423679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64352875427779) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 273674404 + ... + 273909446.

It is an arithmetic number, because the mean of its divisors is an integer number (1746434584128).

Almost surely, 2^{64352875427775} is an apocalyptic number.

64352875427775 is a deficient number, since it is larger than the sum of its proper divisors (61390414629441).

64352875427775 is a wasteful number, since it uses less digits than its factorization.

64352875427775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345693 (or 345685 counting only the distinct ones).

The product of its digits is 2765952000, while the sum is 72.

The spelling of 64352875427775 in words is "sixty-four trillion, three hundred fifty-two billion, eight hundred seventy-five million, four hundred twenty-seven thousand, seven hundred seventy-five".