75040855667 has 2 divisors, whose sum is σ = 75040855668. Its totient is φ = 75040855666.

The previous prime is 75040855577. The next prime is 75040855727. The reversal of 75040855667 is 76655804057.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75040855667 - 2⁸ = 75040855411 is a prime.

It is a super-2 number, since 2×75040855667² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (75040851667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37520427833 + 37520427834.

It is an arithmetic number, because the mean of its divisors is an integer number (37520427834).

Almost surely, 2^75040855667 is an apocalyptic number.

75040855667 is a deficient number, since it is larger than the sum of its proper divisors (1).

75040855667 is an equidigital number, since it uses as much as digits as its factorization.

75040855667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056000, while the sum is 53.

The spelling of 75040855667 in words is "seventy-five billion, forty million, eight hundred fifty-five thousand, six hundred sixty-seven".