887978196 has 54 divisors (see below), whose sum is σ = 2611083930. Its totient is φ = 253707552.

The previous prime is 887978171. The next prime is 887978279. The reversal of 887978196 is 691879788.

It can be written as a sum of positive squares in only one way, i.e., 543356100 + 344622096 = 23310^2 + 18564^2 .

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 249931 + ... + 253458.

Almost surely, 2^887978196 is an apocalyptic number.

It is an amenable number.

887978196 is an abundant number, since it is smaller than the sum of its proper divisors (1723105734).

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

887978196 is a wasteful number, since it uses less digits than its factorization.

887978196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503413 (or 503401 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 63.

The square root of 887978196 is about 29798.9630020912. The cubic root of 887978196 is about 961.1712397288.

The spelling of 887978196 in words is "eight hundred eighty-seven million, nine hundred seventy-eight thousand, one hundred ninety-six".