75656522757 has 8 divisors (see below), whose sum is σ = 101239535776. Its totient is φ = 50255595792.

The previous prime is 75656522729. The next prime is 75656522761. The reversal of 75656522757 is 75722565657.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 75656522757 - 2⁷ = 75656522629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75656522697 and 75656522706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75656322757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45520543 + ... + 45522204.

It is an arithmetic number, because the mean of its divisors is an integer number (12654941972).

Almost surely, 2^75656522757 is an apocalyptic number.

It is an amenable number.

75656522757 is a deficient number, since it is larger than the sum of its proper divisors (25583013019).

75656522757 is a wasteful number, since it uses less digits than its factorization.

75656522757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91043027.

The product of its digits is 30870000, while the sum is 57.

The spelling of 75656522757 in words is "seventy-five billion, six hundred fifty-six million, five hundred twenty-two thousand, seven hundred fifty-seven".