1078575899 has 2 divisors, whose sum is σ = 1078575900. Its totient is φ = 1078575898.

The previous prime is 1078575893. The next prime is 1078575913. The reversal of 1078575899 is 9985758701.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1078575899 is a prime.

It is not a weakly prime, because it can be changed into another prime (1078575893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539287949 + 539287950.

It is an arithmetic number, because the mean of its divisors is an integer number (539287950).

Almost surely, 2^1078575899 is an apocalyptic number.

1078575899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1078575899 is an equidigital number, since it uses as much as digits as its factorization.

1078575899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6350400, while the sum is 59.

The square root of 1078575899 is about 32841.6792962845. The cubic root of 1078575899 is about 1025.5344106741.

The spelling of 1078575899 in words is "one billion, seventy-eight million, five hundred seventy-five thousand, eight hundred ninety-nine".