9880777 has 4 divisors (see below), whose sum is σ = 10310400. Its totient is φ = 9451156.

The previous prime is 9880747. The next prime is 9880811. The reversal of 9880777 is 7770889.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7770889 = 7 ⋅1110127.

It is a cyclic number.

It is not a de Polignac number, because 9880777 - 2¹⁹ = 9356489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9880747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214777 + ... + 214822.

It is an arithmetic number, because the mean of its divisors is an integer number (2577600).

Almost surely, 2^9880777 is an apocalyptic number.

It is an amenable number.

9880777 is a deficient number, since it is larger than the sum of its proper divisors (429623).

9880777 is a wasteful number, since it uses less digits than its factorization.

9880777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429622.

The product of its (nonzero) digits is 197568, while the sum is 46.

The square root of 9880777 is about 3143.3703249856. The cubic root of 9880777 is about 214.5838497951.

The spelling of 9880777 in words is "nine million, eight hundred eighty thousand, seven hundred seventy-seven".