109587577973 has 2 divisors, whose sum is σ = 109587577974. Its totient is φ = 109587577972.

The previous prime is 109587577961. The next prime is 109587578011. The reversal of 109587577973 is 379775785901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108463518244 + 1124059729 = 329338^2 + 33527^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109587577973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109587577903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54793788986 + 54793788987.

It is an arithmetic number, because the mean of its divisors is an integer number (54793788987).

Almost surely, 2^109587577973 is an apocalyptic number.

It is an amenable number.

109587577973 is a deficient number, since it is larger than the sum of its proper divisors (1).

109587577973 is an equidigital number, since it uses as much as digits as its factorization.

109587577973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116688600, while the sum is 68.

The spelling of 109587577973 in words is "one hundred nine billion, five hundred eighty-seven million, five hundred seventy-seven thousand, nine hundred seventy-three".