8023774821 has 8 divisors (see below), whose sum is σ = 10734880800. Its totient is φ = 5330926032.

The previous prime is 8023774813. The next prime is 8023774831. The reversal of 8023774821 is 1284773208.

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

It is not a de Polignac number, because 8023774821 - 2³ = 8023774813 is a prime.

It is a super-2 number, since 2×8023774821² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8023774831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4563271 + ... + 4565028.

It is an arithmetic number, because the mean of its divisors is an integer number (1341860100).

Almost surely, 2^8023774821 is an apocalyptic number.

It is an amenable number.

8023774821 is a deficient number, since it is larger than the sum of its proper divisors (2711105979).

8023774821 is a wasteful number, since it uses less digits than its factorization.

8023774821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9128595.

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 8023774821 is about 89575.5257924842. The cubic root of 8023774821 is about 2001.9792756711.

The spelling of 8023774821 in words is "eight billion, twenty-three million, seven hundred seventy-four thousand, eight hundred twenty-one".