978629471 has 8 divisors (see below), whose sum is σ = 1006780320. Its totient is φ = 950837472.

The previous prime is 978629453. The next prime is 978629489. The reversal of 978629471 is 174926879.

It is an interprime number because it is at equal distance from previous prime (978629453) and next prime (978629489).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-978629471 is a prime.

It is a super-3 number, since 3×978629471³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978625471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84176 + ... + 95093.

It is an arithmetic number, because the mean of its divisors is an integer number (125847540).

Almost surely, 2^978629471 is an apocalyptic number.

978629471 is a deficient number, since it is larger than the sum of its proper divisors (28150849).

978629471 is a wasteful number, since it uses less digits than its factorization.

978629471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179425.

The product of its digits is 1524096, while the sum is 53.

The square root of 978629471 is about 31283.0540548713. The cubic root of 978629471 is about 992.8251347597.

The spelling of 978629471 in words is "nine hundred seventy-eight million, six hundred twenty-nine thousand, four hundred seventy-one".