9712078619 has 2 divisors, whose sum is σ = 9712078620. Its totient is φ = 9712078618.

The previous prime is 9712078603. The next prime is 9712078679. The reversal of 9712078619 is 9168702179.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9712078619 - 2⁴ = 9712078603 is a prime.

It is a super-2 number, since 2×9712078619² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9712078679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4856039309 + 4856039310.

It is an arithmetic number, because the mean of its divisors is an integer number (4856039310).

Almost surely, 2^9712078619 is an apocalyptic number.

9712078619 is a deficient number, since it is larger than the sum of its proper divisors (1).

9712078619 is an equidigital number, since it uses as much as digits as its factorization.

9712078619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 50.

The square root of 9712078619 is about 98549.8788380787. The cubic root of 9712078619 is about 2133.5560821910.

The spelling of 9712078619 in words is "nine billion, seven hundred twelve million, seventy-eight thousand, six hundred nineteen".