7804021962 has 64 divisors (see below), whose sum is σ = 17947123200. Its totient is φ = 2237388480.

The previous prime is 7804021961. The next prime is 7804022033. The reversal of 7804021962 is 2691204087.

It is a self number, because there is not a number n which added to its sum of digits gives 7804021962.

It is not an unprimeable number, because it can be changed into a prime (7804021961) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1035813 + ... + 1043319.

It is an arithmetic number, because the mean of its divisors is an integer number (280423800).

Almost surely, 2^7804021962 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7804021962, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8973561600).

7804021962 is an abundant number, since it is smaller than the sum of its proper divisors (10143101238).

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

7804021962 is a wasteful number, since it uses less digits than its factorization.

7804021962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8371.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 7804021962 is about 88340.3756048162. The cubic root of 7804021962 is about 1983.5332926909.

The spelling of 7804021962 in words is "seven billion, eight hundred four million, twenty-one thousand, nine hundred sixty-two".