88138483569 has 12 divisors (see below), whose sum is σ = 128479136500. Its totient is φ = 58219915104.

The previous prime is 88138483567. The next prime is 88138483571. The reversal of 88138483569 is 96538483188.

88138483569 is a `hidden beast` number, since 88 + 13 + 8 + 483 + 5 + 69 = 666.

It is an interprime number because it is at equal distance from previous prime (88138483567) and next prime (88138483571).

It can be written as a sum of positive squares in 2 ways, for example, as 66299555169 + 21838928400 = 257487^2 + 147780^2 .

It is not a de Polignac number, because 88138483569 - 2¹ = 88138483567 is a prime.

It is a super-2 number, since 2×88138483569² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88138483561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44921794 + ... + 44923755.

Almost surely, 2^88138483569 is an apocalyptic number.

It is an amenable number.

88138483569 is a deficient number, since it is larger than the sum of its proper divisors (40340652931).

88138483569 is a wasteful number, since it uses less digits than its factorization.

88138483569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89845664 (or 89845661 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 63.

The spelling of 88138483569 in words is "eighty-eight billion, one hundred thirty-eight million, four hundred eighty-three thousand, five hundred sixty-nine".