88539197 has 2 divisors, whose sum is σ = 88539198. Its totient is φ = 88539196.

The previous prime is 88539181. The next prime is 88539257. The reversal of 88539197 is 79193588.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66814276 + 21724921 = 8174^2 + 4661^2 .

It is a cyclic number.

It is not a de Polignac number, because 88539197 - 2⁴ = 88539181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88539137) 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, 44269598 + 44269599.

It is an arithmetic number, because the mean of its divisors is an integer number (44269599).

Almost surely, 2^88539197 is an apocalyptic number.

It is an amenable number.

88539197 is a deficient number, since it is larger than the sum of its proper divisors (1).

88539197 is an equidigital number, since it uses as much as digits as its factorization.

88539197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 50.

The square root of 88539197 is about 9409.5269275347. The cubic root of 88539197 is about 445.7026260755.

The spelling of 88539197 in words is "eighty-eight million, five hundred thirty-nine thousand, one hundred ninety-seven".