86672049 has 4 divisors (see below), whose sum is σ = 115562736. Its totient is φ = 57781364.

The previous prime is 86672041. The next prime is 86672051. The reversal of 86672049 is 94027668.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86672049 - 2³ = 86672041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86672049.

It is not an unprimeable number, because it can be changed into a prime (86672041) 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 3 ways as a sum of consecutive naturals, for example, 14445339 + ... + 14445344.

It is an arithmetic number, because the mean of its divisors is an integer number (28890684).

Almost surely, 2^86672049 is an apocalyptic number.

It is an amenable number.

86672049 is a deficient number, since it is larger than the sum of its proper divisors (28890687).

86672049 is a wasteful number, since it uses less digits than its factorization.

86672049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28890686.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 86672049 is about 9309.7824356963. The cubic root of 86672049 is about 442.5472923376.

The spelling of 86672049 in words is "eighty-six million, six hundred seventy-two thousand, forty-nine".