86868545 has 8 divisors (see below), whose sum is σ = 106785000. Its totient is φ = 67799680.

The previous prime is 86868527. The next prime is 86868559. The reversal of 86868545 is 54586868.

It can be written as a sum of positive squares in 4 ways, for example, as 1915456 + 84953089 = 1384^2 + 9217^2 .

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

It is not a de Polignac number, because 86868545 - 2⁸ = 86868289 is a prime.

It is a super-2 number, since 2×86868545² = 15092288220834050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86868493 and 86868502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211670 + ... + 212079.

It is an arithmetic number, because the mean of its divisors is an integer number (13348125).

Almost surely, 2^86868545 is an apocalyptic number.

It is an amenable number.

86868545 is a deficient number, since it is larger than the sum of its proper divisors (19916455).

86868545 is a wasteful number, since it uses less digits than its factorization.

86868545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423795.

The product of its digits is 1843200, while the sum is 50.

The square root of 86868545 is about 9320.3296615517. The cubic root of 86868545 is about 442.8814759684.

The spelling of 86868545 in words is "eighty-six million, eight hundred sixty-eight thousand, five hundred forty-five".