7891284996 has 72 divisors (see below), whose sum is σ = 22837948224. Its totient is φ = 2250607680.

The previous prime is 7891284983. The next prime is 7891285037. The reversal of 7891284996 is 6994821987.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114066 + ... + 169686.

Almost surely, 2^7891284996 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 7891284996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11418974112).

7891284996 is an abundant number, since it is smaller than the sum of its proper divisors (14946663228).

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

7891284996 is a wasteful number, since it uses less digits than its factorization.

7891284996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56201 (or 56196 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 63.

The square root of 7891284996 is about 88832.9049170407. The cubic root of 7891284996 is about 1990.8990656472.

The spelling of 7891284996 in words is "seven billion, eight hundred ninety-one million, two hundred eighty-four thousand, nine hundred ninety-six".