97776101 has 2 divisors, whose sum is σ = 97776102. Its totient is φ = 97776100.

The previous prime is 97776083. The next prime is 97776113. The reversal of 97776101 is 10167779.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90345025 + 7431076 = 9505^2 + 2726^2 .

It is an emirp because it is prime and its reverse (10167779) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97776101 - 2¹⁸ = 97513957 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97776131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48888050 + 48888051.

It is an arithmetic number, because the mean of its divisors is an integer number (48888051).

Almost surely, 2^97776101 is an apocalyptic number.

It is an amenable number.

97776101 is a deficient number, since it is larger than the sum of its proper divisors (1).

97776101 is an equidigital number, since it uses as much as digits as its factorization.

97776101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18522, while the sum is 38.

The square root of 97776101 is about 9888.1798628463. The cubic root of 97776101 is about 460.6922485211.

The spelling of 97776101 in words is "ninety-seven million, seven hundred seventy-six thousand, one hundred one".