7838020837 has 8 divisors (see below), whose sum is σ = 8051911200. Its totient is φ = 7624238544.

The previous prime is 7838020829. The next prime is 7838020909. The reversal of 7838020837 is 7380208387.

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

It is a cyclic number.

It is not a de Polignac number, because 7838020837 - 2³ = 7838020829 is a prime.

It is a super-2 number, since 2×7838020837² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7838020237) 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 7 ways as a sum of consecutive naturals, for example, 132714 + ... + 182452.

It is an arithmetic number, because the mean of its divisors is an integer number (1006488900).

Almost surely, 2^7838020837 is an apocalyptic number.

It is an amenable number.

7838020837 is a deficient number, since it is larger than the sum of its proper divisors (213890363).

7838020837 is a wasteful number, since it uses less digits than its factorization.

7838020837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54035.

The product of its (nonzero) digits is 451584, while the sum is 46.

The square root of 7838020837 is about 88532.5975954620. The cubic root of 7838020837 is about 1986.4095960549.

The spelling of 7838020837 in words is "seven billion, eight hundred thirty-eight million, twenty thousand, eight hundred thirty-seven".