869132088 has 192 divisors, whose sum is σ = 2695680000. Its totient is φ = 250548480.

The previous prime is 869132057. The next prime is 869132113. The reversal of 869132088 is 880231968.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1814233 + ... + 1814711.

It is an arithmetic number, because the mean of its divisors is an integer number (14040000).

Almost surely, 2^869132088 is an apocalyptic number.

869132088 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 869132088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1347840000).

869132088 is an abundant number, since it is smaller than the sum of its proper divisors (1826547912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

869132088 is a wasteful number, since it uses less digits than its factorization.

869132088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610 (or 603 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 869132088 is about 29481.0462500909. The cubic root of 869132088 is about 954.3227156034.

The spelling of 869132088 in words is "eight hundred sixty-nine million, one hundred thirty-two thousand, eighty-eight".