69006897077 has 2 divisors, whose sum is σ = 69006897078. Its totient is φ = 69006897076.

The previous prime is 69006897061. The next prime is 69006897121. The reversal of 69006897077 is 77079860096.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68128308196 + 878588881 = 261014^2 + 29641^2 .

It is a cyclic number.

It is not a de Polignac number, because 69006897077 - 2⁴ = 69006897061 is a prime.

It is a super-2 number, since 2×69006897077² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69006897277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34503448538 + 34503448539.

It is an arithmetic number, because the mean of its divisors is an integer number (34503448539).

Almost surely, 2^69006897077 is an apocalyptic number.

It is an amenable number.

69006897077 is a deficient number, since it is larger than the sum of its proper divisors (1).

69006897077 is an equidigital number, since it uses as much as digits as its factorization.

69006897077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8001504, while the sum is 59.

The spelling of 69006897077 in words is "sixty-nine billion, six million, eight hundred ninety-seven thousand, seventy-seven".