77314697 has 2 divisors, whose sum is σ = 77314698. Its totient is φ = 77314696.

The previous prime is 77314673. The next prime is 77314703. The reversal of 77314697 is 79641377.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38738176 + 38576521 = 6224^2 + 6211^2 .

It is an emirp because it is prime and its reverse (79641377) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77314697 - 2²⁰ = 76266121 is a prime.

It is not a weakly prime, because it can be changed into another prime (77314607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38657348 + 38657349.

It is an arithmetic number, because the mean of its divisors is an integer number (38657349).

Almost surely, 2^77314697 is an apocalyptic number.

It is an amenable number.

77314697 is a deficient number, since it is larger than the sum of its proper divisors (1).

77314697 is an equidigital number, since it uses as much as digits as its factorization.

77314697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 222264, while the sum is 44.

The square root of 77314697 is about 8792.8776290814. The cubic root of 77314697 is about 426.0108753570.

The spelling of 77314697 in words is "seventy-seven million, three hundred fourteen thousand, six hundred ninety-seven".