86920313 has 4 divisors (see below), whose sum is σ = 86973348. Its totient is φ = 86867280.

The previous prime is 86920261. The next prime is 86920321. The reversal of 86920313 is 31302968.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52954729 + 33965584 = 7277^2 + 5828^2 .

It is a cyclic number.

It is not a de Polignac number, because 86920313 - 2¹⁰ = 86919289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86920313.

It is not an unprimeable number, because it can be changed into a prime (86920333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23978 + ... + 27363.

It is an arithmetic number, because the mean of its divisors is an integer number (21743337).

Almost surely, 2^86920313 is an apocalyptic number.

It is an amenable number.

86920313 is a deficient number, since it is larger than the sum of its proper divisors (53035).

86920313 is a wasteful number, since it uses less digits than its factorization.

86920313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53034.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 86920313 is about 9323.1064029110. The cubic root of 86920313 is about 442.9694346781.

The spelling of 86920313 in words is "eighty-six million, nine hundred twenty thousand, three hundred thirteen".