7903789056 has 240 divisors, whose sum is σ = 24819036480. Its totient is φ = 2477260800.

The previous prime is 7903789013. The next prime is 7903789121. The reversal of 7903789056 is 6509873097.

It is a super-2 number, since 2×7903789056² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 7903788993 and 7903789011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7519731 + ... + 7520781.

It is an arithmetic number, because the mean of its divisors is an integer number (103412652).

Almost surely, 2^7903789056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7903789056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12409518240).

7903789056 is an abundant number, since it is smaller than the sum of its proper divisors (16915247424).

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

7903789056 is a wasteful number, since it uses less digits than its factorization.

7903789056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105 (or 1073 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The square root of 7903789056 is about 88903.2567232495. The cubic root of 7903789056 is about 1991.9500640697.

The spelling of 7903789056 in words is "seven billion, nine hundred three million, seven hundred eighty-nine thousand, fifty-six".