75107308889 has 2 divisors, whose sum is σ = 75107308890. Its totient is φ = 75107308888.

The previous prime is 75107308853. The next prime is 75107308943. The reversal of 75107308889 is 98880370157.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66878097664 + 8229211225 = 258608^2 + 90715^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75107308889 is a prime.

It is a super-2 number, since 2×75107308889² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (75107308849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37553654444 + 37553654445.

It is an arithmetic number, because the mean of its divisors is an integer number (37553654445).

Almost surely, 2^75107308889 is an apocalyptic number.

It is an amenable number.

75107308889 is a deficient number, since it is larger than the sum of its proper divisors (1).

75107308889 is an equidigital number, since it uses as much as digits as its factorization.

75107308889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3386880, while the sum is 56.

The spelling of 75107308889 in words is "seventy-five billion, one hundred seven million, three hundred eight thousand, eight hundred eighty-nine".