78826063 has 2 divisors, whose sum is σ = 78826064. Its totient is φ = 78826062.

The previous prime is 78826001. The next prime is 78826109. The reversal of 78826063 is 36062887.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78826063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78824063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39413031 + 39413032.

It is an arithmetic number, because the mean of its divisors is an integer number (39413032).

Almost surely, 2^78826063 is an apocalyptic number.

78826063 is a deficient number, since it is larger than the sum of its proper divisors (1).

78826063 is an equidigital number, since it uses as much as digits as its factorization.

78826063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 78826063 is about 8878.4043048287. The cubic root of 78826063 is about 428.7689016365.

The spelling of 78826063 in words is "seventy-eight million, eight hundred twenty-six thousand, sixty-three".