8135342077 has 2 divisors, whose sum is σ = 8135342078. Its totient is φ = 8135342076.

The previous prime is 8135342011. The next prime is 8135342101. The reversal of 8135342077 is 7702435318.

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., 6325179961 + 1810162116 = 79531^2 + 42546^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8135342077 is a prime.

It is a super-3 number, since 3×8135342077³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8135342177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4067671038 + 4067671039.

It is an arithmetic number, because the mean of its divisors is an integer number (4067671039).

Almost surely, 2^8135342077 is an apocalyptic number.

It is an amenable number.

8135342077 is a deficient number, since it is larger than the sum of its proper divisors (1).

8135342077 is an equidigital number, since it uses as much as digits as its factorization.

8135342077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 8135342077 is about 90196.1311642578. The cubic root of 8135342077 is about 2011.2154951866.

The spelling of 8135342077 in words is "eight billion, one hundred thirty-five million, three hundred forty-two thousand, seventy-seven".