7964863380 has 48 divisors (see below), whose sum is σ = 24779576640. Its totient is φ = 2123963424.

The previous prime is 7964863343. The next prime is 7964863397. The reversal of 7964863380 is 833684697.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7374334 + ... + 7375413.

It is an arithmetic number, because the mean of its divisors is an integer number (516241180).

Almost surely, 2^7964863380 is an apocalyptic number.

It is an amenable number.

7964863380 is an abundant number, since it is smaller than the sum of its proper divisors (16814713260).

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

7964863380 is a wasteful number, since it uses less digits than its factorization.

7964863380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14749765 (or 14749757 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The square root of 7964863380 is about 89246.0832754021. The cubic root of 7964863380 is about 1997.0676510995.

The spelling of 7964863380 in words is "seven billion, nine hundred sixty-four million, eight hundred sixty-three thousand, three hundred eighty".