7855372320 has 288 divisors, whose sum is σ = 26076520512. Its totient is φ = 1986011136.

The previous prime is 7855372313. The next prime is 7855372333. The reversal of 7855372320 is 232735587.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94642999 + ... + 94643081.

It is an arithmetic number, because the mean of its divisors is an integer number (90543474).

Almost surely, 2^7855372320 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 7855372320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13038260256).

7855372320 is an abundant number, since it is smaller than the sum of its proper divisors (18221148192).

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

7855372320 is a wasteful number, since it uses less digits than its factorization.

7855372320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 42.

The square root of 7855372320 is about 88630.5383036795. The cubic root of 7855372320 is about 1987.8743259192.

The spelling of 7855372320 in words is "seven billion, eight hundred fifty-five million, three hundred seventy-two thousand, three hundred twenty".