77260349 has 2 divisors, whose sum is σ = 77260350. Its totient is φ = 77260348.

The previous prime is 77260319. The next prime is 77260363. The reversal of 77260349 is 94306277.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73188025 + 4072324 = 8555^2 + 2018^2 .

It is a cyclic number.

It is not a de Polignac number, because 77260349 - 2²⁴ = 60483133 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77260319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38630174 + 38630175.

It is an arithmetic number, because the mean of its divisors is an integer number (38630175).

Almost surely, 2^77260349 is an apocalyptic number.

It is an amenable number.

77260349 is a deficient number, since it is larger than the sum of its proper divisors (1).

77260349 is an equidigital number, since it uses as much as digits as its factorization.

77260349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 77260349 is about 8789.7866299473. The cubic root of 77260349 is about 425.9110311827.

The spelling of 77260349 in words is "seventy-seven million, two hundred sixty thousand, three hundred forty-nine".