86788225 has 6 divisors (see below), whose sum is σ = 107617430. Its totient is φ = 69430560.

The previous prime is 86788217. The next prime is 86788241. The reversal of 86788225 is 52288768.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 7096896 + 79691329 = 2664^2 + 8927^2 .

It is not a de Polignac number, because 86788225 - 2³ = 86788217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1735740 + ... + 1735789.

Almost surely, 2^86788225 is an apocalyptic number.

It is an amenable number.

86788225 is a deficient number, since it is larger than the sum of its proper divisors (20829205).

86788225 is a wasteful number, since it uses less digits than its factorization.

86788225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3471539 (or 3471534 counting only the distinct ones).

The product of its digits is 430080, while the sum is 46.

The square root of 86788225 is about 9316.0198046161. The cubic root of 86788225 is about 442.7449355235.

The spelling of 86788225 in words is "eighty-six million, seven hundred eighty-eight thousand, two hundred twenty-five".