982975878 has 16 divisors (see below), whose sum is σ = 2184390960. Its totient is φ = 327658608.

The previous prime is 982975871. The next prime is 982975933. The reversal of 982975878 is 878579289.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (982975871) 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, 9101575 + ... + 9101682.

It is an arithmetic number, because the mean of its divisors is an integer number (136524435).

Almost surely, 2^982975878 is an apocalyptic number.

982975878 is an abundant number, since it is smaller than the sum of its proper divisors (1201415082).

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

982975878 is a wasteful number, since it uses less digits than its factorization.

982975878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18203268 (or 18203262 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 63.

The square root of 982975878 is about 31352.4461246647. The cubic root of 982975878 is about 994.2927822986.

The spelling of 982975878 in words is "nine hundred eighty-two million, nine hundred seventy-five thousand, eight hundred seventy-eight".