976468789 has 2 divisors, whose sum is σ = 976468790. Its totient is φ = 976468788.

The previous prime is 976468777. The next prime is 976468793. The reversal of 976468789 is 987864679.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 971880625 + 4588164 = 31175^2 + 2142^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-976468789 is a prime.

It is a super-2 number, since 2×976468789² = 1906982591782253042, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 976468789.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (976468589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488234394 + 488234395.

It is an arithmetic number, because the mean of its divisors is an integer number (488234395).

Almost surely, 2^976468789 is an apocalyptic number.

It is an amenable number.

976468789 is a deficient number, since it is larger than the sum of its proper divisors (1).

976468789 is an equidigital number, since it uses as much as digits as its factorization.

976468789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36578304, while the sum is 64.

The square root of 976468789 is about 31248.5005880282. The cubic root of 976468789 is about 992.0939216511.

The spelling of 976468789 in words is "nine hundred seventy-six million, four hundred sixty-eight thousand, seven hundred eighty-nine".