77946119 has 2 divisors, whose sum is σ = 77946120. Its totient is φ = 77946118.

The previous prime is 77946107. The next prime is 77946131. The reversal of 77946119 is 91164977.

It is a balanced prime because it is at equal distance from previous prime (77946107) and next prime (77946131).

It is a cyclic number.

It is not a de Polignac number, because 77946119 - 2⁸ = 77945863 is a prime.

It is a super-2 number, since 2×77946119² = 12151194934324322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 77946119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77946419) 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, 38973059 + 38973060.

It is an arithmetic number, because the mean of its divisors is an integer number (38973060).

Almost surely, 2^77946119 is an apocalyptic number.

77946119 is a deficient number, since it is larger than the sum of its proper divisors (1).

77946119 is an equidigital number, since it uses as much as digits as its factorization.

77946119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 44.

The square root of 77946119 is about 8828.7099284097. The cubic root of 77946119 is about 427.1674629765.

The spelling of 77946119 in words is "seventy-seven million, nine hundred forty-six thousand, one hundred nineteen".