978141960 has 64 divisors (see below), whose sum is σ = 3260476800. Its totient is φ = 260837568.

The previous prime is 978141959. The next prime is 978142003. The reversal of 978141960 is 69141879.

It is a happy number.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451764 + ... + 453923.

It is an arithmetic number, because the mean of its divisors is an integer number (50944950).

Almost surely, 2^978141960 is an apocalyptic number.

978141960 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

978141960 is an abundant number, since it is smaller than the sum of its proper divisors (2282334840).

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

978141960 is a wasteful number, since it uses less digits than its factorization.

978141960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905707 (or 905697 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 978141960 is about 31275.2611499888. The cubic root of 978141960 is about 992.6602464874.

The spelling of 978141960 in words is "nine hundred seventy-eight million, one hundred forty-one thousand, nine hundred sixty".