8462866421 has 16 divisors (see below), whose sum is σ = 9061578240. Its totient is φ = 7889736960.

The previous prime is 8462866397. The next prime is 8462866429. The reversal of 8462866421 is 1246682648.

It is a cyclic number.

It is not a de Polignac number, because 8462866421 - 2¹⁴ = 8462850037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8462866429) 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, 53825 + ... + 140793.

It is an arithmetic number, because the mean of its divisors is an integer number (566348640).

Almost surely, 2^8462866421 is an apocalyptic number.

It is an amenable number.

8462866421 is a deficient number, since it is larger than the sum of its proper divisors (598711819).

8462866421 is a wasteful number, since it uses less digits than its factorization.

8462866421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87116.

The product of its digits is 884736, while the sum is 47.

The square root of 8462866421 is about 91993.8390382747. The cubic root of 8462866421 is about 2037.8513212851.

The spelling of 8462866421 in words is "eight billion, four hundred sixty-two million, eight hundred sixty-six thousand, four hundred twenty-one".