86925813 has 8 divisors (see below), whose sum is σ = 124816608. Its totient is φ = 53492784.

The previous prime is 86925757. The next prime is 86925827. The reversal of 86925813 is 31852968.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86925813 - 2⁶ = 86925749 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86925313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1114395 + ... + 1114472.

It is an arithmetic number, because the mean of its divisors is an integer number (15602076).

Almost surely, 2^86925813 is an apocalyptic number.

It is an amenable number.

86925813 is a deficient number, since it is larger than the sum of its proper divisors (37890795).

86925813 is a wasteful number, since it uses less digits than its factorization.

86925813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228883.

The product of its digits is 103680, while the sum is 42.

The square root of 86925813 is about 9323.4013643091. The cubic root of 86925813 is about 442.9787776438.

The spelling of 86925813 in words is "eighty-six million, nine hundred twenty-five thousand, eight hundred thirteen".