77106433 has 2 divisors, whose sum is σ = 77106434. Its totient is φ = 77106432.

The previous prime is 77106431. The next prime is 77106443. The reversal of 77106433 is 33460177.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75742209 + 1364224 = 8703^2 + 1168^2 .

It is a cyclic number.

It is not a de Polignac number, because 77106433 - 2¹ = 77106431 is a prime.

Together with 77106431, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 77106395 and 77106404.

It is not a weakly prime, because it can be changed into another prime (77106431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38553216 + 38553217.

It is an arithmetic number, because the mean of its divisors is an integer number (38553217).

Almost surely, 2^77106433 is an apocalyptic number.

It is an amenable number.

77106433 is a deficient number, since it is larger than the sum of its proper divisors (1).

77106433 is an equidigital number, since it uses as much as digits as its factorization.

77106433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 77106433 is about 8781.0268761689. The cubic root of 77106433 is about 425.6280136394.

The spelling of 77106433 in words is "seventy-seven million, one hundred six thousand, four hundred thirty-three".