8622649457 has 8 divisors (see below), whose sum is σ = 8768891520. Its totient is φ = 8477096320.

The previous prime is 8622649417. The next prime is 8622649507. The reversal of 8622649457 is 7549462268.

It is a happy number.

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 8622649457 - 2⁶ = 8622649393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8622649399 and 8622649408.

It is not an unprimeable number, because it can be changed into a prime (8622649417) 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, 146957 + ... + 197082.

It is an arithmetic number, because the mean of its divisors is an integer number (1096111440).

Almost surely, 2^8622649457 is an apocalyptic number.

It is an amenable number.

8622649457 is a deficient number, since it is larger than the sum of its proper divisors (146242063).

8622649457 is a wasteful number, since it uses less digits than its factorization.

8622649457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344463.

The product of its digits is 5806080, while the sum is 53.

The square root of 8622649457 is about 92858.2223446045. Note that the first 3 decimals coincide. The cubic root of 8622649457 is about 2050.5966502035.

The spelling of 8622649457 in words is "eight billion, six hundred twenty-two million, six hundred forty-nine thousand, four hundred fifty-seven".