92779 has 2 divisors, whose sum is σ = 92780. Its totient is φ = 92778.

The previous prime is 92767. The next prime is 92789. The reversal of 92779 is 97729.

It is a strong prime.

It is an emirp because it is prime and its reverse (97729) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 92779 - 2¹¹ = 90731 is a prime.

92779 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (92789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46389 + 46390.

It is an arithmetic number, because the mean of its divisors is an integer number (46390).

2⁹²⁷⁷⁹ is an apocalyptic number.

92779 is a deficient number, since it is larger than the sum of its proper divisors (1).

92779 is an equidigital number, since it uses as much as digits as its factorization.

92779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7938, while the sum is 34.

The square root of 92779 is about 304.5964543457. The cubic root of 92779 is about 45.2706325126.

Subtracting 92779 from its reverse (97729), we obtain a triangular number (4950 = T₉₉).

The spelling of 92779 in words is "ninety-two thousand, seven hundred seventy-nine".