86478453 has 6 divisors (see below), whose sum is σ = 124913334. Its totient is φ = 57652296.

The previous prime is 86478421. The next prime is 86478467. The reversal of 86478453 is 35487468.

It can be written as a sum of positive squares in only one way, i.e., 73925604 + 12552849 = 8598^2 + 3543^2 .

It is not a de Polignac number, because 86478453 - 2⁵ = 86478421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86478399 and 86478408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86478653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4804350 + ... + 4804367.

It is an arithmetic number, because the mean of its divisors is an integer number (20818889).

Almost surely, 2^86478453 is an apocalyptic number.

It is an amenable number.

86478453 is a deficient number, since it is larger than the sum of its proper divisors (38434881).

86478453 is a wasteful number, since it uses less digits than its factorization.

86478453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9608723 (or 9608720 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 86478453 is about 9299.3791728265. The cubic root of 86478453 is about 442.2175464514.

The spelling of 86478453 in words is "eighty-six million, four hundred seventy-eight thousand, four hundred fifty-three".