461872807 has 16 divisors (see below), whose sum is σ = 515953152. Its totient is φ = 409856320.

The previous prime is 461872781. The next prime is 461872811. The reversal of 461872807 is 708278164.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461872807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461872837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240483 + ... + 242395.

It is an arithmetic number, because the mean of its divisors is an integer number (32247072).

Almost surely, 2^461872807 is an apocalyptic number.

461872807 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

461872807 is a deficient number, since it is larger than the sum of its proper divisors (54080345).

461872807 is a wasteful number, since it uses less digits than its factorization.

461872807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2438.

The product of its (nonzero) digits is 150528, while the sum is 43.

The square root of 461872807 is about 21491.2262795774. The cubic root of 461872807 is about 772.9904550177.

The spelling of 461872807 in words is "four hundred sixty-one million, eight hundred seventy-two thousand, eight hundred seven".