8421076692 has 72 divisors (see below), whose sum is σ = 24824072000. Its totient is φ = 2406018384.

The previous prime is 8421076669. The next prime is 8421076693. The reversal of 8421076692 is 2966701248.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8421076693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 328642 + ... + 353337.

Almost surely, 2^8421076692 is an apocalyptic number.

It is an amenable number.

8421076692 is an abundant number, since it is smaller than the sum of its proper divisors (16402995308).

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

8421076692 is a wasteful number, since it uses less digits than its factorization.

8421076692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682010 (or 681991 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 8421076692 is about 91766.4246443109. The cubic root of 8421076692 is about 2034.4914740112.

The spelling of 8421076692 in words is "eight billion, four hundred twenty-one million, seventy-six thousand, six hundred ninety-two".