86993045 has 4 divisors (see below), whose sum is σ = 104391660. Its totient is φ = 69594432.

The previous prime is 86993003. The next prime is 86993083. The reversal of 86993045 is 54039968.

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 30096196 + 56896849 = 5486^2 + 7543^2 .

It is a cyclic number.

It is not a de Polignac number, because 86993045 - 2¹⁰ = 86992021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86992987 and 86993005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8699300 + ... + 8699309.

It is an arithmetic number, because the mean of its divisors is an integer number (26097915).

Almost surely, 2^86993045 is an apocalyptic number.

It is an amenable number.

86993045 is a deficient number, since it is larger than the sum of its proper divisors (17398615).

86993045 is a wasteful number, since it uses less digits than its factorization.

86993045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17398614.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 86993045 is about 9327.0062185033. The cubic root of 86993045 is about 443.0929542163.

The spelling of 86993045 in words is "eighty-six million, nine hundred ninety-three thousand, forty-five".