9678472561951 has 8 divisors (see below), whose sum is σ = 9992458287104. Its totient is φ = 9364597895160.

The previous prime is 9678472561861. The next prime is 9678472562023. The reversal of 9678472561951 is 1591652748769.

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-9678472561951 is a prime.

It is a super-2 number, since 2×9678472561951² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9678472261951) 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, 27587451 + ... + 27936076.

It is an arithmetic number, because the mean of its divisors is an integer number (1249057285888).

Almost surely, 2^{9678472561951} is an apocalyptic number.

9678472561951 is a deficient number, since it is larger than the sum of its proper divisors (313985725153).

9678472561951 is a wasteful number, since it uses less digits than its factorization.

9678472561951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55529181.

The product of its digits is 228614400, while the sum is 70.

The spelling of 9678472561951 in words is "nine trillion, six hundred seventy-eight billion, four hundred seventy-two million, five hundred sixty-one thousand, nine hundred fifty-one".