8978473654 has 8 divisors (see below), whose sum is σ = 13469921280. Its totient is φ = 4488499896.

The previous prime is 8978473649. The next prime is 8978473657. The reversal of 8978473654 is 4563748798.

It is a happy number.

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

It is a super-2 number, since 2×8978473654² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8978473592 and 8978473601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8978473657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353109 + ... + 377680.

It is an arithmetic number, because the mean of its divisors is an integer number (1683740160).

Almost surely, 2^8978473654 is an apocalyptic number.

8978473654 is a deficient number, since it is larger than the sum of its proper divisors (4491447626).

8978473654 is a wasteful number, since it uses less digits than its factorization.

8978473654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736934.

The product of its digits is 40642560, while the sum is 61.

The square root of 8978473654 is about 94754.8080785350. The cubic root of 8978473654 is about 2078.4241063581.

The spelling of 8978473654 in words is "eight billion, nine hundred seventy-eight million, four hundred seventy-three thousand, six hundred fifty-four".