978841026 has 24 divisors (see below), whose sum is σ = 2126432880. Its totient is φ = 325417176.

The previous prime is 978840997. The next prime is 978841043. The reversal of 978841026 is 620148879.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64920 + ... + 78563.

It is an arithmetic number, because the mean of its divisors is an integer number (88601370).

Almost surely, 2^978841026 is an apocalyptic number.

978841026 is an abundant number, since it is smaller than the sum of its proper divisors (1147591854).

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

978841026 is a wasteful number, since it uses less digits than its factorization.

978841026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143870 (or 143867 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 978841026 is about 31286.4351756476. The cubic root of 978841026 is about 992.8966708533.

The spelling of 978841026 in words is "nine hundred seventy-eight million, eight hundred forty-one thousand, twenty-six".