86619225 has 96 divisors (see below), whose sum is σ = 182559744. Its totient is φ = 35193600.

The previous prime is 86619223. The next prime is 86619227. The reversal of 86619225 is 52291668.

It is an interprime number because it is at equal distance from previous prime (86619223) and next prime (86619227).

It is not a de Polignac number, because 86619225 - 2¹ = 86619223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86619223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 305934 + ... + 306216.

It is an arithmetic number, because the mean of its divisors is an integer number (1901664).

Almost surely, 2^86619225 is an apocalyptic number.

It is an amenable number.

86619225 is an abundant number, since it is smaller than the sum of its proper divisors (95940519).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86619225 is a wasteful number, since it uses less digits than its factorization.

86619225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367 (or 362 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 86619225 is about 9306.9449874811. The cubic root of 86619225 is about 442.4573676569.

The spelling of 86619225 in words is "eighty-six million, six hundred nineteen thousand, two hundred twenty-five".