756980893 has 2 divisors, whose sum is σ = 756980894. Its totient is φ = 756980892.

The previous prime is 756980849. The next prime is 756980963. The reversal of 756980893 is 398089657.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 756140004 + 840889 = 27498^2 + 917^2 .

It is a cyclic number.

It is not a de Polignac number, because 756980893 - 2²⁵ = 723426461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (756980803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 378490446 + 378490447.

It is an arithmetic number, because the mean of its divisors is an integer number (378490447).

Almost surely, 2^756980893 is an apocalyptic number.

It is an amenable number.

756980893 is a deficient number, since it is larger than the sum of its proper divisors (1).

756980893 is an equidigital number, since it uses as much as digits as its factorization.

756980893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The square root of 756980893 is about 27513.2857543406. The cubic root of 756980893 is about 911.3705118782.

The spelling of 756980893 in words is "seven hundred fifty-six million, nine hundred eighty thousand, eight hundred ninety-three".