86776225 has 12 divisors (see below), whose sum is σ = 107918316. Its totient is φ = 69217280.

The previous prime is 86776187. The next prime is 86776237. The reversal of 86776225 is 52267768.

It can be written as a sum of positive squares in 6 ways, for example, as 2742336 + 84033889 = 1656^2 + 9167^2 .

It is a de Polignac number, because none of the positive numbers 2^k-86776225 is a prime.

It is a super-2 number, since 2×86776225² = 15060226450501250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3909 + ... + 13741.

It is an arithmetic number, because the mean of its divisors is an integer number (8993193).

Almost surely, 2^86776225 is an apocalyptic number.

It is an amenable number.

86776225 is a deficient number, since it is larger than the sum of its proper divisors (21142091).

86776225 is a wasteful number, since it uses less digits than its factorization.

86776225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10196 (or 10191 counting only the distinct ones).

The product of its digits is 282240, while the sum is 43.

The square root of 86776225 is about 9315.3757304792. The cubic root of 86776225 is about 442.7245288224.

The spelling of 86776225 in words is "eighty-six million, seven hundred seventy-six thousand, two hundred twenty-five".