86673951 has 24 divisors (see below), whose sum is σ = 154088480. Its totient is φ = 45717696.

The previous prime is 86673941. The next prime is 86673967. The reversal of 86673951 is 15937668.

It is a happy number.

It is not a de Polignac number, because 86673951 - 2⁵ = 86673919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86673897 and 86673906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86673901) 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 23 ways as a sum of consecutive naturals, for example, 52096 + ... + 53733.

Almost surely, 2^86673951 is an apocalyptic number.

86673951 is a deficient number, since it is larger than the sum of its proper divisors (67414529).

86673951 is a wasteful number, since it uses less digits than its factorization.

86673951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105855 (or 105852 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 86673951 is about 9309.8845857508. The cubic root of 86673951 is about 442.5505295166.

The spelling of 86673951 in words is "eighty-six million, six hundred seventy-three thousand, nine hundred fifty-one".