88604557 has 2 divisors, whose sum is σ = 88604558. Its totient is φ = 88604556.

The previous prime is 88604539. The next prime is 88604587. The reversal of 88604557 is 75540688.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88566921 + 37636 = 9411^2 + 194^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88604557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88604507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44302278 + 44302279.

It is an arithmetic number, because the mean of its divisors is an integer number (44302279).

Almost surely, 2^88604557 is an apocalyptic number.

It is an amenable number.

88604557 is a deficient number, since it is larger than the sum of its proper divisors (1).

88604557 is an equidigital number, since it uses as much as digits as its factorization.

88604557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 88604557 is about 9412.9993625836. Note that the first 3 decimals coincide. The cubic root of 88604557 is about 445.8122722711.

The spelling of 88604557 in words is "eighty-eight million, six hundred four thousand, five hundred fifty-seven".