86769146 has 4 divisors (see below), whose sum is σ = 130153722. Its totient is φ = 43384572.

The previous prime is 86769127. The next prime is 86769149. The reversal of 86769146 is 64196768.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 65044225 + 21724921 = 8065^2 + 4661^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 86769146.

It is not an unprimeable number, because it can be changed into a prime (86769149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21692285 + ... + 21692288.

Almost surely, 2^86769146 is an apocalyptic number.

86769146 is a deficient number, since it is larger than the sum of its proper divisors (43384576).

86769146 is a wasteful number, since it uses less digits than its factorization.

86769146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43384575.

The product of its digits is 435456, while the sum is 47.

The square root of 86769146 is about 9314.9957595267. The cubic root of 86769146 is about 442.7124896870.

The spelling of 86769146 in words is "eighty-six million, seven hundred sixty-nine thousand, one hundred forty-six".