102775156697 has 2 divisors, whose sum is σ = 102775156698. Its totient is φ = 102775156696.

The previous prime is 102775156657. The next prime is 102775156703. The reversal of 102775156697 is 796651577201.

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., 89004368896 + 13770787801 = 298336^2 + 117349^2 .

It is a cyclic number.

It is not a de Polignac number, because 102775156697 - 2²⁴ = 102758379481 is a prime.

It is not a weakly prime, because it can be changed into another prime (102775156657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51387578348 + 51387578349.

It is an arithmetic number, because the mean of its divisors is an integer number (51387578349).

Almost surely, 2^102775156697 is an apocalyptic number.

It is an amenable number.

102775156697 is a deficient number, since it is larger than the sum of its proper divisors (1).

102775156697 is an equidigital number, since it uses as much as digits as its factorization.

102775156697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5556600, while the sum is 56.

The spelling of 102775156697 in words is "one hundred two billion, seven hundred seventy-five million, one hundred fifty-six thousand, six hundred ninety-seven".