75574081783 has 2 divisors, whose sum is σ = 75574081784. Its totient is φ = 75574081782.

The previous prime is 75574081717. The next prime is 75574081799. The reversal of 75574081783 is 38718047557.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75574081783 is a prime.

It is a super-2 number, since 2×75574081783² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75574051783) 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 as a sum of consecutive naturals, namely, 37787040891 + 37787040892.

It is an arithmetic number, because the mean of its divisors is an integer number (37787040892).

Almost surely, 2^75574081783 is an apocalyptic number.

75574081783 is a deficient number, since it is larger than the sum of its proper divisors (1).

75574081783 is an equidigital number, since it uses as much as digits as its factorization.

75574081783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6585600, while the sum is 55.

The spelling of 75574081783 in words is "seventy-five billion, five hundred seventy-four million, eighty-one thousand, seven hundred eighty-three".