77071151 has 2 divisors, whose sum is σ = 77071152. Its totient is φ = 77071150.

The previous prime is 77071133. The next prime is 77071153. The reversal of 77071151 is 15117077.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77071151 is a prime.

Together with 77071153, 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 (77071153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38535575 + 38535576.

It is an arithmetic number, because the mean of its divisors is an integer number (38535576).

Almost surely, 2^77071151 is an apocalyptic number.

77071151 is a deficient number, since it is larger than the sum of its proper divisors (1).

77071151 is an equidigital number, since it uses as much as digits as its factorization.

77071151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1715, while the sum is 29.

The square root of 77071151 is about 8779.0176557517. The cubic root of 77071151 is about 425.5630847784.

The spelling of 77071151 in words is "seventy-seven million, seventy-one thousand, one hundred fifty-one".