8021429582 has 8 divisors (see below), whose sum is σ = 12311961816. Its totient is φ = 3917442312.

The previous prime is 8021429527. The next prime is 8021429587. The reversal of 8021429582 is 2859241208.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8021429587) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 46636133 + ... + 46636304.

It is an arithmetic number, because the mean of its divisors is an integer number (1538995227).

Almost surely, 2^8021429582 is an apocalyptic number.

8021429582 is a deficient number, since it is larger than the sum of its proper divisors (4290532234).

8021429582 is a wasteful number, since it uses less digits than its factorization.

8021429582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93272482.

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 8021429582 is about 89562.4339888103. The cubic root of 8021429582 is about 2001.7842063306.

The spelling of 8021429582 in words is "eight billion, twenty-one million, four hundred twenty-nine thousand, five hundred eighty-two".