77494111 has 2 divisors, whose sum is σ = 77494112. Its totient is φ = 77494110.

The previous prime is 77494097. The next prime is 77494121. The reversal of 77494111 is 11149477.

It is a strong prime.

It is an emirp because it is prime and its reverse (11149477) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77494111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77494121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38747055 + 38747056.

It is an arithmetic number, because the mean of its divisors is an integer number (38747056).

Almost surely, 2^77494111 is an apocalyptic number.

77494111 is a deficient number, since it is larger than the sum of its proper divisors (1).

77494111 is an equidigital number, since it uses as much as digits as its factorization.

77494111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056, while the sum is 34.

The square root of 77494111 is about 8803.0739517512. The cubic root of 77494111 is about 426.3401498336.

The spelling of 77494111 in words is "seventy-seven million, four hundred ninety-four thousand, one hundred eleven".