2074997779 has 2 divisors, whose sum is σ = 2074997780. Its totient is φ = 2074997778.

The previous prime is 2074997767. The next prime is 2074997807. The reversal of 2074997779 is 9777994702.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2074997779 is a prime.

It is not a weakly prime, because it can be changed into another prime (2074997719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1037498889 + 1037498890.

It is an arithmetic number, because the mean of its divisors is an integer number (1037498890).

Almost surely, 2^2074997779 is an apocalyptic number.

2074997779 is a deficient number, since it is larger than the sum of its proper divisors (1).

2074997779 is an equidigital number, since it uses as much as digits as its factorization.

2074997779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14002632, while the sum is 61.

The square root of 2074997779 is about 45552.1435170728. The cubic root of 2074997779 is about 1275.4767467932.

The spelling of 2074997779 in words is "two billion, seventy-four million, nine hundred ninety-seven thousand, seven hundred seventy-nine".