75857653 has 2 divisors, whose sum is σ = 75857654. Its totient is φ = 75857652.

The previous prime is 75857641. The next prime is 75857669. The reversal of 75857653 is 35675857.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56655729 + 19201924 = 7527^2 + 4382^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75857653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75857603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37928826 + 37928827.

It is an arithmetic number, because the mean of its divisors is an integer number (37928827).

Almost surely, 2^75857653 is an apocalyptic number.

It is an amenable number.

75857653 is a deficient number, since it is larger than the sum of its proper divisors (1).

75857653 is an equidigital number, since it uses as much as digits as its factorization.

75857653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 882000, while the sum is 46.

The square root of 75857653 is about 8709.6299002885. The cubic root of 75857653 is about 423.3177384188.

The spelling of 75857653 in words is "seventy-five million, eight hundred fifty-seven thousand, six hundred fifty-three".