5215670784 has 80 divisors (see below), whose sum is σ = 15438788640. Its totient is φ = 1738552320.

The previous prime is 5215670777. The next prime is 5215670821. The reversal of 5215670784 is 4870765125.

5215670784 is a `hidden beast` number, since 5 + 2 + 1 + 567 + 0 + 7 + 84 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174822 + ... + 202469.

It is an arithmetic number, because the mean of its divisors is an integer number (192984858).

Almost surely, 2^5215670784 is an apocalyptic number.

5215670784 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

5215670784 is an abundant number, since it is smaller than the sum of its proper divisors (10223117856).

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

5215670784 is an equidigital number, since it uses as much as digits as its factorization.

5215670784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377318 (or 377296 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The square root of 5215670784 is about 72219.6011066248. The cubic root of 5215670784 is about 1734.2168045865.

The spelling of 5215670784 in words is "five billion, two hundred fifteen million, six hundred seventy thousand, seven hundred eighty-four".