7854876920 has 64 divisors (see below), whose sum is σ = 19334246400. Its totient is φ = 2848305280.

The previous prime is 7854876917. The next prime is 7854876977. The reversal of 7854876920 is 296784587.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 133097 + ... + 182823.

It is an arithmetic number, because the mean of its divisors is an integer number (302097600).

Almost surely, 2^7854876920 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 7854876920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9667123200).

7854876920 is an abundant number, since it is smaller than the sum of its proper divisors (11479369480).

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

7854876920 is a wasteful number, since it uses less digits than its factorization.

7854876920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50108 (or 50104 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 56.

The square root of 7854876920 is about 88627.7435118372. The cubic root of 7854876920 is about 1987.8325365296.

The spelling of 7854876920 in words is "seven billion, eight hundred fifty-four million, eight hundred seventy-six thousand, nine hundred twenty".