869391360 has 352 divisors, whose sum is σ = 3262099200. Its totient is φ = 218972160.

The previous prime is 869391359. The next prime is 869391361. The reversal of 869391360 is 63193968.

It is an interprime number because it is at equal distance from previous prime (869391359) and next prime (869391361).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869391361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2626395 + ... + 2626725.

Almost surely, 2^869391360 is an apocalyptic number.

869391360 is a gapful number since it is divisible by the number (80) 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 869391360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1631049600).

869391360 is an abundant number, since it is smaller than the sum of its proper divisors (2392707840).

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

869391360 is a wasteful number, since it uses less digits than its factorization.

869391360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 869391360 is about 29485.4431881225. The cubic root of 869391360 is about 954.4176012804.

The spelling of 869391360 in words is "eight hundred sixty-nine million, three hundred ninety-one thousand, three hundred sixty".