7880849 has 2 divisors, whose sum is σ = 7880850. Its totient is φ = 7880848.

The previous prime is 7880827. The next prime is 7880857. The reversal of 7880849 is 9480887.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7879249 + 1600 = 2807^2 + 40^2 .

It is a cyclic number.

It is not a de Polignac number, because 7880849 - 2¹² = 7876753 is a prime.

It is not a weakly prime, because it can be changed into another prime (7880869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3940424 + 3940425.

It is an arithmetic number, because the mean of its divisors is an integer number (3940425).

Almost surely, 2^7880849 is an apocalyptic number.

It is an amenable number.

7880849 is a deficient number, since it is larger than the sum of its proper divisors (1).

7880849 is an equidigital number, since it uses as much as digits as its factorization.

7880849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 7880849 is about 2807.2849873143. The cubic root of 7880849 is about 199.0021043017.

The spelling of 7880849 in words is "seven million, eight hundred eighty thousand, eight hundred forty-nine".