86672547 has 48 divisors (see below), whose sum is σ = 143503360. Its totient is φ = 49968576.

The previous prime is 86672539. The next prime is 86672557. The reversal of 86672547 is 74527668.

It is not a de Polignac number, because 86672547 - 2³ = 86672539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86672527) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 282168 + ... + 282474.

Almost surely, 2^86672547 is an apocalyptic number.

86672547 is a deficient number, since it is larger than the sum of its proper divisors (56830813).

86672547 is a wasteful number, since it uses less digits than its factorization.

86672547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 469 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 86672547 is about 9309.8091817180. The cubic root of 86672547 is about 442.5481399316.

The spelling of 86672547 in words is "eighty-six million, six hundred seventy-two thousand, five hundred forty-seven".