75663564101 has 4 divisors (see below), whose sum is σ = 77091178572. Its totient is φ = 74235949632.

The previous prime is 75663564077. The next prime is 75663564107. The reversal of 75663564101 is 10146536657.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57058876900 + 18604687201 = 238870^2 + 136399^2 .

It is a cyclic number.

It is not a de Polignac number, because 75663564101 - 2²⁶ = 75596455237 is a prime.

It is a super-3 number, since 3×75663564101³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75663564107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713807156 + ... + 713807261.

It is an arithmetic number, because the mean of its divisors is an integer number (19272794643).

Almost surely, 2^75663564101 is an apocalyptic number.

It is an amenable number.

75663564101 is a deficient number, since it is larger than the sum of its proper divisors (1427614471).

75663564101 is a wasteful number, since it uses less digits than its factorization.

75663564101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427614470.

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 75663564101 in words is "seventy-five billion, six hundred sixty-three million, five hundred sixty-four thousand, one hundred one".