77625103 has 2 divisors, whose sum is σ = 77625104. Its totient is φ = 77625102.

The previous prime is 77625101. The next prime is 77625109. The reversal of 77625103 is 30152677.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77625103 - 2¹ = 77625101 is a prime.

Together with 77625101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77625101) 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, 38812551 + 38812552.

It is an arithmetic number, because the mean of its divisors is an integer number (38812552).

Almost surely, 2^77625103 is an apocalyptic number.

77625103 is a deficient number, since it is larger than the sum of its proper divisors (1).

77625103 is an equidigital number, since it uses as much as digits as its factorization.

77625103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 77625103 is about 8810.5109386460. The cubic root of 77625103 is about 426.5802356529.

The spelling of 77625103 in words is "seventy-seven million, six hundred twenty-five thousand, one hundred three".