877411961 has 4 divisors (see below), whose sum is σ = 878014800. Its totient is φ = 876809124.

The previous prime is 877411949. The next prime is 877411993. The reversal of 877411961 is 169114778.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 877411961 - 2²⁶ = 810303097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (877411261) 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, 299231 + ... + 302148.

It is an arithmetic number, because the mean of its divisors is an integer number (219503700).

Almost surely, 2^877411961 is an apocalyptic number.

It is an amenable number.

877411961 is a deficient number, since it is larger than the sum of its proper divisors (602839).

877411961 is a wasteful number, since it uses less digits than its factorization.

877411961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602838.

The product of its digits is 84672, while the sum is 44.

The square root of 877411961 is about 29621.1404405705. The cubic root of 877411961 is about 957.3436261345.

The spelling of 877411961 in words is "eight hundred seventy-seven million, four hundred eleven thousand, nine hundred sixty-one".