978670014 has 32 divisors (see below), whose sum is σ = 2239111680. Its totient is φ = 279351072.

The previous prime is 978670013. The next prime is 978670051. The reversal of 978670014 is 410076879.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978670013) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 35247 + ... + 56565.

It is an arithmetic number, because the mean of its divisors is an integer number (69972240).

Almost surely, 2^978670014 is an apocalyptic number.

978670014 is an abundant number, since it is smaller than the sum of its proper divisors (1260441666).

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

978670014 is a wasteful number, since it uses less digits than its factorization.

978670014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22424.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 978670014 is about 31283.7020507484. The cubic root of 978670014 is about 992.8388449380.

It can be divided in two parts, 9786 and 70014, that added together give a triangular number (79800 = T₃₉₉).

The spelling of 978670014 in words is "nine hundred seventy-eight million, six hundred seventy thousand, fourteen".