70318958077 has 2 divisors, whose sum is σ = 70318958078. Its totient is φ = 70318958076.

The previous prime is 70318958063. The next prime is 70318958081. The reversal of 70318958077 is 77085981307.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70302401316 + 16556761 = 265146^2 + 4069^2 .

It is an emirp because it is prime and its reverse (77085981307) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70318958077 - 2³¹ = 68171474429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70318958027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35159479038 + 35159479039.

It is an arithmetic number, because the mean of its divisors is an integer number (35159479039).

Almost surely, 2^70318958077 is an apocalyptic number.

It is an amenable number.

70318958077 is a deficient number, since it is larger than the sum of its proper divisors (1).

70318958077 is an equidigital number, since it uses as much as digits as its factorization.

70318958077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2963520, while the sum is 55.

The spelling of 70318958077 in words is "seventy billion, three hundred eighteen million, nine hundred fifty-eight thousand, seventy-seven".