88573887557 has 8 divisors (see below), whose sum is σ = 89396571000. Its totient is φ = 87751387584.

The previous prime is 88573887539. The next prime is 88573887559. The reversal of 88573887557 is 75578837588.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10843889956 + 77729997601 = 104134^2 + 278801^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88573887557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88573887559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1043603 + ... + 1125279.

It is an arithmetic number, because the mean of its divisors is an integer number (11174571375).

Almost surely, 2^88573887557 is an apocalyptic number.

It is an amenable number.

88573887557 is a deficient number, since it is larger than the sum of its proper divisors (822683443).

88573887557 is a wasteful number, since it uses less digits than its factorization.

88573887557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91735.

The product of its digits is 526848000, while the sum is 71.

The spelling of 88573887557 in words is "eighty-eight billion, five hundred seventy-three million, eight hundred eighty-seven thousand, five hundred fifty-seven".