75983879 has 2 divisors, whose sum is σ = 75983880. Its totient is φ = 75983878.

The previous prime is 75983867. The next prime is 75983911. The reversal of 75983879 is 97838957.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75983879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75983179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37991939 + 37991940.

It is an arithmetic number, because the mean of its divisors is an integer number (37991940).

Almost surely, 2^75983879 is an apocalyptic number.

75983879 is a deficient number, since it is larger than the sum of its proper divisors (1).

75983879 is an equidigital number, since it uses as much as digits as its factorization.

75983879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 56.

The square root of 75983879 is about 8716.8732352834. The cubic root of 75983879 is about 423.5524064339.

The spelling of 75983879 in words is "seventy-five million, nine hundred eighty-three thousand, eight hundred seventy-nine".