77082623 has 2 divisors, whose sum is σ = 77082624. Its totient is φ = 77082622.

The previous prime is 77082619. The next prime is 77082653. The reversal of 77082623 is 32628077.

It is a weak prime.

It is an emirp because it is prime and its reverse (32628077) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 77082623 - 2² = 77082619 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77082613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38541311 + 38541312.

It is an arithmetic number, because the mean of its divisors is an integer number (38541312).

Almost surely, 2^77082623 is an apocalyptic number.

77082623 is a deficient number, since it is larger than the sum of its proper divisors (1).

77082623 is an equidigital number, since it uses as much as digits as its factorization.

77082623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 77082623 is about 8779.6710075036. The cubic root of 77082623 is about 425.5841986774.

The spelling of 77082623 in words is "seventy-seven million, eighty-two thousand, six hundred twenty-three".