86869156 has 12 divisors (see below), whose sum is σ = 165841200. Its totient is φ = 39485960.

The previous prime is 86869151. The next prime is 86869171. The reversal of 86869156 is 65196868.

It is not an unprimeable number, because it can be changed into a prime (86869151) 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 3 ways as a sum of consecutive naturals, for example, 987106 + ... + 987193.

It is an arithmetic number, because the mean of its divisors is an integer number (13820100).

Almost surely, 2^86869156 is an apocalyptic number.

It is an amenable number.

86869156 is a deficient number, since it is larger than the sum of its proper divisors (78972044).

86869156 is a wasteful number, since it uses less digits than its factorization.

86869156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974314 (or 1974312 counting only the distinct ones).

The product of its digits is 622080, while the sum is 49.

The square root of 86869156 is about 9320.3624393046. The cubic root of 86869156 is about 442.8825143187.

It can be divided in two parts, 86869 and 156, that added together give a square (87025 = 295²).

The spelling of 86869156 in words is "eighty-six million, eight hundred sixty-nine thousand, one hundred fifty-six".