70387269677 has 2 divisors, whose sum is σ = 70387269678. Its totient is φ = 70387269676.

The previous prime is 70387269661. The next prime is 70387269691. The reversal of 70387269677 is 77696278307.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65539072036 + 4848197641 = 256006^2 + 69629^2 .

It is a cyclic number.

It is not a de Polignac number, because 70387269677 - 2⁴ = 70387269661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70387269377) 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, 35193634838 + 35193634839.

It is an arithmetic number, because the mean of its divisors is an integer number (35193634839).

Almost surely, 2^70387269677 is an apocalyptic number.

It is an amenable number.

70387269677 is a deficient number, since it is larger than the sum of its proper divisors (1).

70387269677 is an equidigital number, since it uses as much as digits as its factorization.

70387269677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37340352, while the sum is 62.

The spelling of 70387269677 in words is "seventy billion, three hundred eighty-seven million, two hundred sixty-nine thousand, six hundred seventy-seven".