8624420655 has 8 divisors (see below), whose sum is σ = 13799073072. Its totient is φ = 4599691008.

The previous prime is 8624420611. The next prime is 8624420723. The reversal of 8624420655 is 5560244268.

It is a happy number.

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

It is not a de Polignac number, because 8624420655 - 2⁶ = 8624420591 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287480674 + ... + 287480703.

It is an arithmetic number, because the mean of its divisors is an integer number (1724884134).

Almost surely, 2^8624420655 is an apocalyptic number.

8624420655 is a deficient number, since it is larger than the sum of its proper divisors (5174652417).

8624420655 is a wasteful number, since it uses less digits than its factorization.

8624420655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574961385.

The product of its (nonzero) digits is 460800, while the sum is 42.

The square root of 8624420655 is about 92867.7589640237. The cubic root of 8624420655 is about 2050.7370464952.

The spelling of 8624420655 in words is "eight billion, six hundred twenty-four million, four hundred twenty thousand, six hundred fifty-five".