77641483 has 2 divisors, whose sum is σ = 77641484. Its totient is φ = 77641482.

The previous prime is 77641481. The next prime is 77641493. The reversal of 77641483 is 38414677.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77641483 - 2¹ = 77641481 is a prime.

Together with 77641481, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (77641481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38820741 + 38820742.

It is an arithmetic number, because the mean of its divisors is an integer number (38820742).

Almost surely, 2^77641483 is an apocalyptic number.

77641483 is a deficient number, since it is larger than the sum of its proper divisors (1).

77641483 is an equidigital number, since it uses as much as digits as its factorization.

77641483 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 40.

The square root of 77641483 is about 8811.4404611278. The cubic root of 77641483 is about 426.6102383735.

The spelling of 77641483 in words is "seventy-seven million, six hundred forty-one thousand, four hundred eighty-three".