88645349871 has 24 divisors (see below), whose sum is σ = 137909975840. Its totient is φ = 54544176576.

The previous prime is 88645349867. The next prime is 88645349873. The reversal of 88645349871 is 17894354688.

88645349871 is a `hidden beast` number, since 8 + 8 + 6 + 4 + 534 + 98 + 7 + 1 = 666.

It is not a de Polignac number, because 88645349871 - 2² = 88645349867 is a prime.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 88645349799 and 88645349808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88645349873) 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, 991305 + ... + 1077021.

Almost surely, 2^88645349871 is an apocalyptic number.

88645349871 is a deficient number, since it is larger than the sum of its proper divisors (49264625969).

88645349871 is a wasteful number, since it uses less digits than its factorization.

88645349871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94575 (or 94572 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 63.

It can be divided in two parts, 88645 and 349871, that added together give a triangular number (438516 = T₉₃₆).

The spelling of 88645349871 in words is "eighty-eight billion, six hundred forty-five million, three hundred forty-nine thousand, eight hundred seventy-one".