8780512373 has 2 divisors, whose sum is σ = 8780512374. Its totient is φ = 8780512372.

The previous prime is 8780512369. The next prime is 8780512387. The reversal of 8780512373 is 3732150878.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5981784964 + 2798727409 = 77342^2 + 52903^2 .

It is a cyclic number.

It is not a de Polignac number, because 8780512373 - 2² = 8780512369 is a prime.

It is a super-2 number, since 2×8780512373² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8780512303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4390256186 + 4390256187.

It is an arithmetic number, because the mean of its divisors is an integer number (4390256187).

Almost surely, 2^8780512373 is an apocalyptic number.

It is an amenable number.

8780512373 is a deficient number, since it is larger than the sum of its proper divisors (1).

8780512373 is an equidigital number, since it uses as much as digits as its factorization.

8780512373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 8780512373 is about 93704.3882270195. The cubic root of 8780512373 is about 2063.0351129100.

The spelling of 8780512373 in words is "eight billion, seven hundred eighty million, five hundred twelve thousand, three hundred seventy-three".