88540605 has 24 divisors (see below), whose sum is σ = 155578488. Its totient is φ = 46573056.

The previous prime is 88540583. The next prime is 88540609. The reversal of 88540605 is 50604588.

It is a happy number.

88540605 is a `hidden beast` number, since 8 + 8 + 5 + 40 + 605 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 16867449 + 71673156 = 4107^2 + 8466^2 .

It is not a de Polignac number, because 88540605 - 2⁶ = 88540541 is a prime.

It is a super-3 number, since 3×88540605³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 88540605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88540609) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10192 + ... + 16761.

It is an arithmetic number, because the mean of its divisors is an integer number (6482437).

Almost surely, 2^88540605 is an apocalyptic number.

It is an amenable number.

88540605 is a deficient number, since it is larger than the sum of its proper divisors (67037883).

88540605 is a wasteful number, since it uses less digits than its factorization.

88540605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27037 (or 27034 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 88540605 is about 9409.6017450262. The cubic root of 88540605 is about 445.7049886674.

The spelling of 88540605 in words is "eighty-eight million, five hundred forty thousand, six hundred five".