1079987099 has 2 divisors, whose sum is σ = 1079987100. Its totient is φ = 1079987098.

The previous prime is 1079987089. The next prime is 1079987107. The reversal of 1079987099 is 9907899701.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1079987099 is a prime.

It is not a weakly prime, because it can be changed into another prime (1079987089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539993549 + 539993550.

It is an arithmetic number, because the mean of its divisors is an integer number (539993550).

Almost surely, 2^1079987099 is an apocalyptic number.

1079987099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1079987099 is an equidigital number, since it uses as much as digits as its factorization.

1079987099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2571912, while the sum is 59.

The square root of 1079987099 is about 32863.1571672595. The cubic root of 1079987099 is about 1025.9814827305.

The spelling of 1079987099 in words is "one billion, seventy-nine million, nine hundred eighty-seven thousand, ninety-nine".