88413557 has 2 divisors, whose sum is σ = 88413558. Its totient is φ = 88413556.

The previous prime is 88413529. The next prime is 88413569. The reversal of 88413557 is 75531488.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64657681 + 23755876 = 8041^2 + 4874^2 .

It is a cyclic number.

It is not a de Polignac number, because 88413557 - 2⁸ = 88413301 is a prime.

It is a super-2 number, since 2×88413557² = 15633914122784498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88413527) 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, 44206778 + 44206779.

It is an arithmetic number, because the mean of its divisors is an integer number (44206779).

Almost surely, 2^88413557 is an apocalyptic number.

It is an amenable number.

88413557 is a deficient number, since it is larger than the sum of its proper divisors (1).

88413557 is an equidigital number, since it uses as much as digits as its factorization.

88413557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134400, while the sum is 41.

The square root of 88413557 is about 9402.8483450495. The cubic root of 88413557 is about 445.4917041018.

It can be divided in two parts, 884 and 13557, that added together give a palindrome (14441).

The spelling of 88413557 in words is "eighty-eight million, four hundred thirteen thousand, five hundred fifty-seven".