9621676477 has 16 divisors (see below), whose sum is σ = 11124615040. Its totient is φ = 8151072768.

The previous prime is 9621676453. The next prime is 9621676483. The reversal of 9621676477 is 7746761269.

It is a cyclic number.

It is not a de Polignac number, because 9621676477 - 2¹¹ = 9621674429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9621626477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512938 + ... + 531364.

It is an arithmetic number, because the mean of its divisors is an integer number (695288440).

Almost surely, 2^9621676477 is an apocalyptic number.

9621676477 is a gapful number since it is divisible by the number (97) formed by its first and last digit.

It is an amenable number.

9621676477 is a deficient number, since it is larger than the sum of its proper divisors (1502938563).

9621676477 is a wasteful number, since it uses less digits than its factorization.

9621676477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19300.

The product of its digits is 5334336, while the sum is 55.

The square root of 9621676477 is about 98090.1446476658. The cubic root of 9621676477 is about 2126.9155674320.

The spelling of 9621676477 in words is "nine billion, six hundred twenty-one million, six hundred seventy-six thousand, four hundred seventy-seven".