877361663 has 4 divisors (see below), whose sum is σ = 879572040. Its totient is φ = 875151288.

The previous prime is 877361647. The next prime is 877361671. The reversal of 877361663 is 366163778.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366163778 = 2 ⋅183081889.

It is a cyclic number.

It is not a de Polignac number, because 877361663 - 2⁴ = 877361647 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 (877361623) 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, 1104593 + ... + 1105386.

It is an arithmetic number, because the mean of its divisors is an integer number (219893010).

Almost surely, 2^877361663 is an apocalyptic number.

877361663 is a deficient number, since it is larger than the sum of its proper divisors (2210377).

877361663 is a wasteful number, since it uses less digits than its factorization.

877361663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210376.

The product of its digits is 762048, while the sum is 47.

The square root of 877361663 is about 29620.2914063991. The cubic root of 877361663 is about 957.3253324131.

The spelling of 877361663 in words is "eight hundred seventy-seven million, three hundred sixty-one thousand, six hundred sixty-three".