75693795397 has 6 divisors (see below), whose sum is σ = 83200618214. Its totient is φ = 68812541160.

The previous prime is 75693795377. The next prime is 75693795403. The reversal of 75693795397 is 79359739657.

It can be written as a sum of positive squares in only one way, i.e., 60680439556 + 15013355841 = 246334^2 + 122529^2 .

It is not a de Polignac number, because 75693795397 - 2¹⁵ = 75693762629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75693795337) 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 5 ways as a sum of consecutive naturals, for example, 312784158 + ... + 312784399.

Almost surely, 2^75693795397 is an apocalyptic number.

It is an amenable number.

75693795397 is a deficient number, since it is larger than the sum of its proper divisors (7506822817).

75693795397 is a wasteful number, since it uses less digits than its factorization.

75693795397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625568579 (or 625568568 counting only the distinct ones).

The product of its digits is 337563450, while the sum is 70.

The spelling of 75693795397 in words is "seventy-five billion, six hundred ninety-three million, seven hundred ninety-five thousand, three hundred ninety-seven".