77674271 has 2 divisors, whose sum is σ = 77674272. Its totient is φ = 77674270.

The previous prime is 77674253. The next prime is 77674273. The reversal of 77674271 is 17247677.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77674271 - 2²⁶ = 10565407 is a prime.

Together with 77674273, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77674273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38837135 + 38837136.

It is an arithmetic number, because the mean of its divisors is an integer number (38837136).

Almost surely, 2^77674271 is an apocalyptic number.

77674271 is a deficient number, since it is larger than the sum of its proper divisors (1).

77674271 is an equidigital number, since it uses as much as digits as its factorization.

77674271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 115248, while the sum is 41.

The square root of 77674271 is about 8813.3008004947. The cubic root of 77674271 is about 426.6702824265.

The spelling of 77674271 in words is "seventy-seven million, six hundred seventy-four thousand, two hundred seventy-one".