86050821 has 16 divisors (see below), whose sum is σ = 121777344. Its totient is φ = 53862144.

The previous prime is 86050817. The next prime is 86050871. The reversal of 86050821 is 12805068.

It is not a de Polignac number, because 86050821 - 2² = 86050817 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86050871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22011 + ... + 25623.

It is an arithmetic number, because the mean of its divisors is an integer number (7611084).

Almost surely, 2^86050821 is an apocalyptic number.

It is an amenable number.

86050821 is a deficient number, since it is larger than the sum of its proper divisors (35726523).

86050821 is a wasteful number, since it uses less digits than its factorization.

86050821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 86050821 is about 9276.3581754911. The cubic root of 86050821 is about 441.4874264664.

Adding to 86050821 its reverse (12805068), we get a palindrome (98855889).

It can be divided in two parts, 860 and 50821, that added together give a triangular number (51681 = T₃₂₁).

The spelling of 86050821 in words is "eighty-six million, fifty thousand, eight hundred twenty-one".