78350983 has 2 divisors, whose sum is σ = 78350984. Its totient is φ = 78350982.

The previous prime is 78350963. The next prime is 78351017. The reversal of 78350983 is 38905387.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78350983 - 2¹³ = 78342791 is a prime.

It is a super-2 number, since 2×78350983² = 12277753074132578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78350963) 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, 39175491 + 39175492.

It is an arithmetic number, because the mean of its divisors is an integer number (39175492).

Almost surely, 2^78350983 is an apocalyptic number.

78350983 is a deficient number, since it is larger than the sum of its proper divisors (1).

78350983 is an equidigital number, since it uses as much as digits as its factorization.

78350983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 78350983 is about 8851.6090627637. The cubic root of 78350983 is about 427.9057770721.

The spelling of 78350983 in words is "seventy-eight million, three hundred fifty thousand, nine hundred eighty-three".