7870943520 has 432 divisors, whose sum is σ = 29802427200. Its totient is φ = 1890155520.

The previous prime is 7870943513. The next prime is 7870943533. The reversal of 7870943520 is 253490787.

7870943520 is a `hidden beast` number, since 7 + 87 + 0 + 9 + 43 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 34673647 + ... + 34673873.

It is an arithmetic number, because the mean of its divisors is an integer number (68987100).

Almost surely, 2^7870943520 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 7870943520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14901213600).

7870943520 is an abundant number, since it is smaller than the sum of its proper divisors (21931483680).

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

7870943520 is a wasteful number, since it uses less digits than its factorization.

7870943520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 7870943520 is about 88718.3381269059. The cubic root of 7870943520 is about 1989.1869375307.

The spelling of 7870943520 in words is "seven billion, eight hundred seventy million, nine hundred forty-three thousand, five hundred twenty".