978746630 has 8 divisors (see below), whose sum is σ = 1761743952. Its totient is φ = 391498648.

The previous prime is 978746621. The next prime is 978746683. The reversal of 978746630 is 36647879.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48937322 + ... + 48937341.

It is an arithmetic number, because the mean of its divisors is an integer number (220217994).

Almost surely, 2^978746630 is an apocalyptic number.

978746630 is a deficient number, since it is larger than the sum of its proper divisors (782997322).

978746630 is a wasteful number, since it uses less digits than its factorization.

978746630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97874670.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The square root of 978746630 is about 31284.9265621641. The cubic root of 978746630 is about 992.8647526682.

The spelling of 978746630 in words is "nine hundred seventy-eight million, seven hundred forty-six thousand, six hundred thirty".