70771077343669 has 2 divisors, whose sum is σ = 70771077343670. Its totient is φ = 70771077343668.

The previous prime is 70771077343639. The next prime is 70771077343763. The reversal of 70771077343669 is 96634377017707.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49865488402500 + 20905588941169 = 7061550^2 + 4572263^2 .

It is a cyclic number.

It is not a de Polignac number, because 70771077343669 - 2¹¹ = 70771077341621 is a prime.

It is a super-2 number, since 2×70771077343669² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70771077343639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35385538671834 + 35385538671835.

It is an arithmetic number, because the mean of its divisors is an integer number (35385538671835).

Almost surely, 2^{70771077343669} is an apocalyptic number.

It is an amenable number.

70771077343669 is a deficient number, since it is larger than the sum of its proper divisors (1).

70771077343669 is an equidigital number, since it uses as much as digits as its factorization.

70771077343669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196036848, while the sum is 67.

The spelling of 70771077343669 in words is "seventy trillion, seven hundred seventy-one billion, seventy-seven million, three hundred forty-three thousand, six hundred sixty-nine".