103081220779 has 2 divisors, whose sum is σ = 103081220780. Its totient is φ = 103081220778.

The previous prime is 103081220747. The next prime is 103081220831. The reversal of 103081220779 is 977022180301.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103081220779 - 2⁵ = 103081220747 is a prime.

It is not a weakly prime, because it can be changed into another prime (103081220579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51540610389 + 51540610390.

It is an arithmetic number, because the mean of its divisors is an integer number (51540610390).

Almost surely, 2^103081220779 is an apocalyptic number.

103081220779 is a deficient number, since it is larger than the sum of its proper divisors (1).

103081220779 is an equidigital number, since it uses as much as digits as its factorization.

103081220779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 40.

The spelling of 103081220779 in words is "one hundred three billion, eighty-one million, two hundred twenty thousand, seven hundred seventy-nine".