75477804089 has 2 divisors, whose sum is σ = 75477804090. Its totient is φ = 75477804088.

The previous prime is 75477804079. The next prime is 75477804109. The reversal of 75477804089 is 98040877457.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74907310864 + 570493225 = 273692^2 + 23885^2 .

It is a cyclic number.

It is not a de Polignac number, because 75477804089 - 2¹² = 75477799993 is a prime.

It is not a weakly prime, because it can be changed into another prime (75477804029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37738902044 + 37738902045.

It is an arithmetic number, because the mean of its divisors is an integer number (37738902045).

Almost surely, 2^75477804089 is an apocalyptic number.

It is an amenable number.

75477804089 is a deficient number, since it is larger than the sum of its proper divisors (1).

75477804089 is an equidigital number, since it uses as much as digits as its factorization.

75477804089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15805440, while the sum is 59.

The spelling of 75477804089 in words is "seventy-five billion, four hundred seventy-seven million, eight hundred four thousand, eighty-nine".