78099083 has 2 divisors, whose sum is σ = 78099084. Its totient is φ = 78099082.

The previous prime is 78099079. The next prime is 78099089. The reversal of 78099083 is 38099087.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78099083 - 2² = 78099079 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (78099089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39049541 + 39049542.

It is an arithmetic number, because the mean of its divisors is an integer number (39049542).

Almost surely, 2^78099083 is an apocalyptic number.

78099083 is a deficient number, since it is larger than the sum of its proper divisors (1).

78099083 is an equidigital number, since it uses as much as digits as its factorization.

78099083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 78099083 is about 8837.3685563068. The cubic root of 78099083 is about 427.4467094979.

The spelling of 78099083 in words is "seventy-eight million, ninety-nine thousand, eighty-three".