877641946 has 8 divisors (see below), whose sum is σ = 1341302004. Its totient is φ = 430541280.

The previous prime is 877641943. The next prime is 877641991. The reversal of 877641946 is 649146778.

877641946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 876456025 + 1185921 = 29605^2 + 1089^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 877641893 and 877641902.

It is not an unprimeable number, because it can be changed into a prime (877641943) 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, 4139715 + ... + 4139926.

Almost surely, 2^877641946 is an apocalyptic number.

877641946 is a deficient number, since it is larger than the sum of its proper divisors (463660058).

877641946 is a wasteful number, since it uses less digits than its factorization.

877641946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8279696.

The product of its digits is 2032128, while the sum is 52.

The square root of 877641946 is about 29625.0222953503. The cubic root of 877641946 is about 957.4272643224.

The spelling of 877641946 in words is "eight hundred seventy-seven million, six hundred forty-one thousand, nine hundred forty-six".