8646242415 has 32 divisors (see below), whose sum is σ = 14988416256. Its totient is φ = 4239137280.

The previous prime is 8646242411. The next prime is 8646242417. The reversal of 8646242415 is 5142426468.

It is not a de Polignac number, because 8646242415 - 2² = 8646242411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8646242411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 383301 + ... + 405230.

It is an arithmetic number, because the mean of its divisors is an integer number (468388008).

Almost surely, 2^8646242415 is an apocalyptic number.

8646242415 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

8646242415 is a deficient number, since it is larger than the sum of its proper divisors (6342173841).

8646242415 is a wasteful number, since it uses less digits than its factorization.

8646242415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788599.

The product of its digits is 368640, while the sum is 42.

The square root of 8646242415 is about 92985.1730922732. The cubic root of 8646242415 is about 2052.4652012795.

The spelling of 8646242415 in words is "eight billion, six hundred forty-six million, two hundred forty-two thousand, four hundred fifteen".