978168460 has 24 divisors (see below), whose sum is σ = 2054757600. Its totient is φ = 391152384.

The previous prime is 978168439. The next prime is 978168479. The reversal of 978168460 is 64861879.

978168460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×978168460² = 1913627072277543200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106116 + ... + 114964.

It is an arithmetic number, because the mean of its divisors is an integer number (85614900).

Almost surely, 2^978168460 is an apocalyptic number.

It is an amenable number.

978168460 is an abundant number, since it is smaller than the sum of its proper divisors (1076589140).

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

978168460 is a wasteful number, since it uses less digits than its factorization.

978168460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14385 (or 14383 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 978168460 is about 31275.6848046530. The cubic root of 978168460 is about 992.6692108505.

It can be divided in two parts, 97816 and 8460, that added together give a square (106276 = 326²).

The spelling of 978168460 in words is "nine hundred seventy-eight million, one hundred sixty-eight thousand, four hundred sixty".