88490197 has 2 divisors, whose sum is σ = 88490198. Its totient is φ = 88490196.

The previous prime is 88490167. The next prime is 88490203. The reversal of 88490197 is 79109488.

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., 88341201 + 148996 = 9399^2 + 386^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88490197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88490167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44245098 + 44245099.

It is an arithmetic number, because the mean of its divisors is an integer number (44245099).

Almost surely, 2^88490197 is an apocalyptic number.

It is an amenable number.

88490197 is a deficient number, since it is larger than the sum of its proper divisors (1).

88490197 is an equidigital number, since it uses as much as digits as its factorization.

88490197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 88490197 is about 9406.9228231128. The cubic root of 88490197 is about 445.6203895840.

The spelling of 88490197 in words is "eighty-eight million, four hundred ninety thousand, one hundred ninety-seven".