70278377999 has 2 divisors, whose sum is σ = 70278378000. Its totient is φ = 70278377998.

The previous prime is 70278377987. The next prime is 70278378013. The reversal of 70278377999 is 99977387207.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70278377999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70278377929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35139188999 + 35139189000.

It is an arithmetic number, because the mean of its divisors is an integer number (35139189000).

Almost surely, 2^70278377999 is an apocalyptic number.

70278377999 is a deficient number, since it is larger than the sum of its proper divisors (1).

70278377999 is an equidigital number, since it uses as much as digits as its factorization.

70278377999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84015792, while the sum is 68.

The spelling of 70278377999 in words is "seventy billion, two hundred seventy-eight million, three hundred seventy-seven thousand, nine hundred ninety-nine".