97888061 has 2 divisors, whose sum is σ = 97888062. Its totient is φ = 97888060.

The previous prime is 97888027. The next prime is 97888067. The reversal of 97888061 is 16088879.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95667961 + 2220100 = 9781^2 + 1490^2 .

It is an emirp because it is prime and its reverse (16088879) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97888061 - 2²² = 93693757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97887997 and 97888015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97888067) 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, 48944030 + 48944031.

It is an arithmetic number, because the mean of its divisors is an integer number (48944031).

Almost surely, 2^97888061 is an apocalyptic number.

It is an amenable number.

97888061 is a deficient number, since it is larger than the sum of its proper divisors (1).

97888061 is an equidigital number, since it uses as much as digits as its factorization.

97888061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 47.

The square root of 97888061 is about 9893.8395479207. The cubic root of 97888061 is about 460.8680223179.

The spelling of 97888061 in words is "ninety-seven million, eight hundred eighty-eight thousand, sixty-one".