988340761 has 2 divisors, whose sum is σ = 988340762. Its totient is φ = 988340760.

The previous prime is 988340741. The next prime is 988340777. The reversal of 988340761 is 167043889.

It is a happy number.

988340761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 569729161 + 418611600 = 23869^2 + 20460^2 .

It is a cyclic number.

It is not a de Polignac number, because 988340761 - 2¹⁷ = 988209689 is a prime.

It is not a weakly prime, because it can be changed into another prime (988340741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494170380 + 494170381.

It is an arithmetic number, because the mean of its divisors is an integer number (494170381).

Almost surely, 2^988340761 is an apocalyptic number.

It is an amenable number.

988340761 is a deficient number, since it is larger than the sum of its proper divisors (1).

988340761 is an equidigital number, since it uses as much as digits as its factorization.

988340761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 988340761 is about 31437.8873495024. The cubic root of 988340761 is about 996.0983841917.

The spelling of 988340761 in words is "nine hundred eighty-eight million, three hundred forty thousand, seven hundred sixty-one".