86869552 has 80 divisors (see below), whose sum is σ = 214272000. Its totient is φ = 33821760.

The previous prime is 86869537. The next prime is 86869553. The reversal of 86869552 is 25596868.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 86869496 and 86869505.

It is not an unprimeable number, because it can be changed into a prime (86869553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59649 + ... + 61087.

It is an arithmetic number, because the mean of its divisors is an integer number (2678400).

Almost surely, 2^86869552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86869552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107136000).

86869552 is an abundant number, since it is smaller than the sum of its proper divisors (127402448).

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

86869552 is a wasteful number, since it uses less digits than its factorization.

86869552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479 (or 1459 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 49.

The square root of 86869552 is about 9320.3836830894. The cubic root of 86869552 is about 442.8831872895.

The spelling of 86869552 in words is "eighty-six million, eight hundred sixty-nine thousand, five hundred fifty-two".