75103717957 has 2 divisors, whose sum is σ = 75103717958. Its totient is φ = 75103717956.

The previous prime is 75103717907. The next prime is 75103717973. The reversal of 75103717957 is 75971730157.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40459713316 + 34644004641 = 201146^2 + 186129^2 .

It is a cyclic number.

It is not a de Polignac number, because 75103717957 - 2³⁵ = 40743979589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75103717907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37551858978 + 37551858979.

It is an arithmetic number, because the mean of its divisors is an integer number (37551858979).

Almost surely, 2^75103717957 is an apocalyptic number.

It is an amenable number.

75103717957 is a deficient number, since it is larger than the sum of its proper divisors (1).

75103717957 is an equidigital number, since it uses as much as digits as its factorization.

75103717957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620675, while the sum is 52.

The spelling of 75103717957 in words is "seventy-five billion, one hundred three million, seven hundred seventeen thousand, nine hundred fifty-seven".