877947078 has 16 divisors (see below), whose sum is σ = 1756258560. Its totient is φ = 292588296.

The previous prime is 877947071. The next prime is 877947089. The reversal of 877947078 is 870749778.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (877947071) 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, 23863 + ... + 48221.

It is an arithmetic number, because the mean of its divisors is an integer number (109766160).

Almost surely, 2^877947078 is an apocalyptic number.

877947078 is an abundant number, since it is smaller than the sum of its proper divisors (878311482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

877947078 is a wasteful number, since it uses less digits than its factorization.

877947078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30371.

The product of its (nonzero) digits is 5531904, while the sum is 57.

The square root of 877947078 is about 29630.1717511053. The cubic root of 877947078 is about 957.5382085206.

The spelling of 877947078 in words is "eight hundred seventy-seven million, nine hundred forty-seven thousand, seventy-eight".