88545621317 has 4 divisors (see below), whose sum is σ = 89792742816. Its totient is φ = 87298499820.

The previous prime is 88545621313. The next prime is 88545621347. The reversal of 88545621317 is 71312654588.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 88545621317 - 2² = 88545621313 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 (88545621313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623560643 + ... + 623560784.

It is an arithmetic number, because the mean of its divisors is an integer number (22448185704).

Almost surely, 2^88545621317 is an apocalyptic number.

It is an amenable number.

88545621317 is a deficient number, since it is larger than the sum of its proper divisors (1247121499).

88545621317 is a wasteful number, since it uses less digits than its factorization.

88545621317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247121498.

The product of its digits is 1612800, while the sum is 50.

The spelling of 88545621317 in words is "eighty-eight billion, five hundred forty-five million, six hundred twenty-one thousand, three hundred seventeen".