104802779 has 2 divisors, whose sum is σ = 104802780. Its totient is φ = 104802778.

The previous prime is 104802769. The next prime is 104802787. The reversal of 104802779 is 977208401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104802779 is a prime.

It is a super-2 number, since 2×104802779² = 21967244972245682, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (104802749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52401389 + 52401390.

It is an arithmetic number, because the mean of its divisors is an integer number (52401390).

Almost surely, 2^104802779 is an apocalyptic number.

104802779 is a deficient number, since it is larger than the sum of its proper divisors (1).

104802779 is an equidigital number, since it uses as much as digits as its factorization.

104802779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 104802779 is about 10237.3228434000. The cubic root of 104802779 is about 471.4738388339.

The spelling of 104802779 in words is "one hundred four million, eight hundred two thousand, seven hundred seventy-nine".