83421758430 has 24 divisors (see below), whose sum is σ = 216896572152. Its totient is φ = 22245802224.

The previous prime is 83421758423. The next prime is 83421758443. The reversal of 83421758430 is 3485712438.

83421758430 is a `hidden beast` number, since 8 + 3 + 42 + 175 + 8 + 430 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 463454124 + ... + 463454303.

It is an arithmetic number, because the mean of its divisors is an integer number (9037357173).

Almost surely, 2^83421758430 is an apocalyptic number.

83421758430 is an abundant number, since it is smaller than the sum of its proper divisors (133474813722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83421758430 is a wasteful number, since it uses less digits than its factorization.

83421758430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926908440 (or 926908437 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 83421758430 in words is "eighty-three billion, four hundred twenty-one million, seven hundred fifty-eight thousand, four hundred thirty".