75705980807 has 2 divisors, whose sum is σ = 75705980808. Its totient is φ = 75705980806.

The previous prime is 75705980789. The next prime is 75705980839. The reversal of 75705980807 is 70808950757.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 75705980807 - 2⁸ = 75705980551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75705970807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37852990403 + 37852990404.

It is an arithmetic number, because the mean of its divisors is an integer number (37852990404).

Almost surely, 2^75705980807 is an apocalyptic number.

75705980807 is a deficient number, since it is larger than the sum of its proper divisors (1).

75705980807 is an equidigital number, since it uses as much as digits as its factorization.

75705980807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4939200, while the sum is 56.

The spelling of 75705980807 in words is "seventy-five billion, seven hundred five million, nine hundred eighty thousand, eight hundred seven".