866877461 has 8 divisors (see below), whose sum is σ = 872835264. Its totient is φ = 860929120.

The previous prime is 866877443. The next prime is 866877467. The reversal of 866877461 is 164778668.

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

It is a cyclic number.

It is not a de Polignac number, because 866877461 - 2¹⁸ = 866615317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866877467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358346 + ... + 360756.

It is an arithmetic number, because the mean of its divisors is an integer number (109104408).

Almost surely, 2^866877461 is an apocalyptic number.

It is an amenable number.

866877461 is a deficient number, since it is larger than the sum of its proper divisors (5957803).

866877461 is a wasteful number, since it uses less digits than its factorization.

866877461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4731.

The product of its digits is 2709504, while the sum is 53.

The square root of 866877461 is about 29442.7828338287. The cubic root of 866877461 is about 953.4967939700.

The spelling of 866877461 in words is "eight hundred sixty-six million, eight hundred seventy-seven thousand, four hundred sixty-one".