97796887 has 2 divisors, whose sum is σ = 97796888. Its totient is φ = 97796886.

The previous prime is 97796863. The next prime is 97796893. The reversal of 97796887 is 78869779.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97796887 - 2¹¹ = 97794839 is a prime.

It is a super-2 number, since 2×97796887² = 19128462213781538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97796827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48898443 + 48898444.

It is an arithmetic number, because the mean of its divisors is an integer number (48898444).

Almost surely, 2^97796887 is an apocalyptic number.

97796887 is a deficient number, since it is larger than the sum of its proper divisors (1).

97796887 is an equidigital number, since it uses as much as digits as its factorization.

97796887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10668672, while the sum is 61.

The square root of 97796887 is about 9889.2308598799. The cubic root of 97796887 is about 460.7248920488.

The spelling of 97796887 in words is "ninety-seven million, seven hundred ninety-six thousand, eight hundred eighty-seven".