7847484428 has 12 divisors (see below), whose sum is σ = 15694968912. Its totient is φ = 3363207600.

The previous prime is 7847484409. The next prime is 7847484431. The reversal of 7847484428 is 8244847487.

7847484428 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140133623 + ... + 140133678.

It is an arithmetic number, because the mean of its divisors is an integer number (1307914076).

Almost surely, 2^7847484428 is an apocalyptic number.

It is an amenable number.

7847484428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7847484428 is a wasteful number, since it uses less digits than its factorization.

7847484428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280267312 (or 280267310 counting only the distinct ones).

The product of its digits is 12845056, while the sum is 56.

The square root of 7847484428 is about 88586.0284017745. The cubic root of 7847484428 is about 1987.2087351772.

The spelling of 7847484428 in words is "seven billion, eight hundred forty-seven million, four hundred eighty-four thousand, four hundred twenty-eight".