877980378 has 16 divisors (see below), whose sum is σ = 1915593696. Its totient is φ = 266054640.

The previous prime is 877980361. The next prime is 877980379. The reversal of 877980378 is 873089778.

It is not an unprimeable number, because it can be changed into a prime (877980379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6651301 + ... + 6651432.

It is an arithmetic number, because the mean of its divisors is an integer number (119724606).

Almost surely, 2^877980378 is an apocalyptic number.

877980378 is an abundant number, since it is smaller than the sum of its proper divisors (1037613318).

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

877980378 is a wasteful number, since it uses less digits than its factorization.

877980378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13302749.

The product of its (nonzero) digits is 4741632, while the sum is 57.

The square root of 877980378 is about 29630.7336729957. The cubic root of 877980378 is about 957.5503146486.

The spelling of 877980378 in words is "eight hundred seventy-seven million, nine hundred eighty thousand, three hundred seventy-eight".