8037719021 has 4 divisors (see below), whose sum is σ = 8115755232. Its totient is φ = 7959682812.

The previous prime is 8037718993. The next prime is 8037719023. The reversal of 8037719021 is 1209177308.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8037719021 - 2⁶ = 8037718957 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 (8037719023) 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 3 ways as a sum of consecutive naturals, for example, 39017951 + ... + 39018156.

It is an arithmetic number, because the mean of its divisors is an integer number (2028938808).

Almost surely, 2^8037719021 is an apocalyptic number.

It is an amenable number.

8037719021 is a deficient number, since it is larger than the sum of its proper divisors (78036211).

8037719021 is a wasteful number, since it uses less digits than its factorization.

8037719021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78036210.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 8037719021 is about 89653.3268819401. The cubic root of 8037719021 is about 2003.1383246334.

The spelling of 8037719021 in words is "eight billion, thirty-seven million, seven hundred nineteen thousand, twenty-one".