86651041 has 4 divisors (see below), whose sum is σ = 87091092. Its totient is φ = 86210992.

The previous prime is 86651011. The next prime is 86651053. The reversal of 86651041 is 14015668.

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 83338641 + 3312400 = 9129^2 + 1820^2 .

It is a cyclic number.

It is not a de Polignac number, because 86651041 - 2⁵ = 86651009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86650994 and 86651012.

It is not an unprimeable number, because it can be changed into a prime (86651011) 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, 219730 + ... + 220123.

It is an arithmetic number, because the mean of its divisors is an integer number (21772773).

Almost surely, 2^86651041 is an apocalyptic number.

It is an amenable number.

86651041 is a deficient number, since it is larger than the sum of its proper divisors (440051).

86651041 is a wasteful number, since it uses less digits than its factorization.

86651041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440050.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 86651041 is about 9308.6540917578. The cubic root of 86651041 is about 442.5115338477.

The spelling of 86651041 in words is "eighty-six million, six hundred fifty-one thousand, forty-one".