77693053 has 2 divisors, whose sum is σ = 77693054. Its totient is φ = 77693052.

The previous prime is 77693041. The next prime is 77693107. The reversal of 77693053 is 35039677.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42016324 + 35676729 = 6482^2 + 5973^2 .

It is an emirp because it is prime and its reverse (35039677) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77693053 - 2¹³ = 77684861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77692997 and 77693015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77693153) 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, 38846526 + 38846527.

It is an arithmetic number, because the mean of its divisors is an integer number (38846527).

Almost surely, 2^77693053 is an apocalyptic number.

It is an amenable number.

77693053 is a deficient number, since it is larger than the sum of its proper divisors (1).

77693053 is an equidigital number, since it uses as much as digits as its factorization.

77693053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 119070, while the sum is 40.

The square root of 77693053 is about 8814.3662846514. The cubic root of 77693053 is about 426.7046699412.

The spelling of 77693053 in words is "seventy-seven million, six hundred ninety-three thousand, fifty-three".