97476881 has 2 divisors, whose sum is σ = 97476882. Its totient is φ = 97476880.

The previous prime is 97476857. The next prime is 97476901. The reversal of 97476881 is 18867479.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57988225 + 39488656 = 7615^2 + 6284^2 .

It is an emirp because it is prime and its reverse (18867479) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97476881 - 2¹⁰ = 97475857 is a prime.

It is a super-2 number, since 2×97476881² = 19003484658976322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (97476481) 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, 48738440 + 48738441.

It is an arithmetic number, because the mean of its divisors is an integer number (48738441).

Almost surely, 2^97476881 is an apocalyptic number.

It is an amenable number.

97476881 is a deficient number, since it is larger than the sum of its proper divisors (1).

97476881 is an equidigital number, since it uses as much as digits as its factorization.

97476881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 677376, while the sum is 50.

The square root of 97476881 is about 9873.0380835891. The cubic root of 97476881 is about 460.2218227563.

The spelling of 97476881 in words is "ninety-seven million, four hundred seventy-six thousand, eight hundred eighty-one".