88645138917 has 8 divisors (see below), whose sum is σ = 118203381024. Its totient is φ = 59091828048.

The previous prime is 88645138903. The next prime is 88645138949. The reversal of 88645138917 is 71983154688.

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

It is not a de Polignac number, because 88645138917 - 2⁷ = 88645138789 is a prime.

It is a super-2 number, since 2×88645138917² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88645138217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1190658 + ... + 1262915.

It is an arithmetic number, because the mean of its divisors is an integer number (14775422628).

Almost surely, 2^88645138917 is an apocalyptic number.

It is an amenable number.

88645138917 is a deficient number, since it is larger than the sum of its proper divisors (29558242107).

88645138917 is a wasteful number, since it uses less digits than its factorization.

88645138917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465619.

The product of its digits is 11612160, while the sum is 60.

The spelling of 88645138917 in words is "eighty-eight billion, six hundred forty-five million, one hundred thirty-eight thousand, nine hundred seventeen".