9662678551 has 8 divisors (see below), whose sum is σ = 10172297520. Its totient is φ = 9153165312.

The previous prime is 9662678533. The next prime is 9662678581. The reversal of 9662678551 is 1558762669.

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

It is a cyclic number.

It is not a de Polignac number, because 9662678551 - 2²⁵ = 9629124119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9662678492 and 9662678501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9662678581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220311 + ... + 260503.

It is an arithmetic number, because the mean of its divisors is an integer number (1271537190).

Almost surely, 2^9662678551 is an apocalyptic number.

9662678551 is a deficient number, since it is larger than the sum of its proper divisors (509618969).

9662678551 is a wasteful number, since it uses less digits than its factorization.

9662678551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52865.

The product of its digits is 5443200, while the sum is 55.

The square root of 9662678551 is about 98298.9244651232. The cubic root of 9662678551 is about 2129.9325179382.

The spelling of 9662678551 in words is "nine billion, six hundred sixty-two million, six hundred seventy-eight thousand, five hundred fifty-one".