77140699 has 2 divisors, whose sum is σ = 77140700. Its totient is φ = 77140698.

The previous prime is 77140631. The next prime is 77140733. The reversal of 77140699 is 99604177.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (99604177) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77140699 - 2¹⁷ = 77009627 is a prime.

It is not a weakly prime, because it can be changed into another prime (77140619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38570349 + 38570350.

It is an arithmetic number, because the mean of its divisors is an integer number (38570350).

Almost surely, 2^77140699 is an apocalyptic number.

77140699 is a deficient number, since it is larger than the sum of its proper divisors (1).

77140699 is an equidigital number, since it uses as much as digits as its factorization.

77140699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 77140699 is about 8782.9777979908. The cubic root of 77140699 is about 425.6910538166.

The spelling of 77140699 in words is "seventy-seven million, one hundred forty thousand, six hundred ninety-nine".