77430083 has 2 divisors, whose sum is σ = 77430084. Its totient is φ = 77430082.

The previous prime is 77430077. The next prime is 77430097. The reversal of 77430083 is 38003477.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77430083 - 2¹² = 77425987 is a prime.

It is not a weakly prime, because it can be changed into another prime (77436083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38715041 + 38715042.

It is an arithmetic number, because the mean of its divisors is an integer number (38715042).

Almost surely, 2^77430083 is an apocalyptic number.

77430083 is a deficient number, since it is larger than the sum of its proper divisors (1).

77430083 is an equidigital number, since it uses as much as digits as its factorization.

77430083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 77430083 is about 8799.4365160503. The cubic root of 77430083 is about 426.2226990653. Note that the first 3 decimals are identical.

The spelling of 77430083 in words is "seventy-seven million, four hundred thirty thousand, eighty-three".