7964819670 has 16 divisors (see below), whose sum is σ = 19115567280. Its totient is φ = 2123951904.

The previous prime is 7964819663. The next prime is 7964819683. The reversal of 7964819670 is 769184697.

It is a self number, because there is not a number n which added to its sum of digits gives 7964819670.

It is a congruent number.

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, 132746965 + ... + 132747024.

It is an arithmetic number, because the mean of its divisors is an integer number (1194722955).

Almost surely, 2^7964819670 is an apocalyptic number.

7964819670 is an abundant number, since it is smaller than the sum of its proper divisors (11150747610).

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

7964819670 is a wasteful number, since it uses less digits than its factorization.

7964819670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265493999.

The product of its (nonzero) digits is 4572288, while the sum is 57.

The square root of 7964819670 is about 89245.8383903698. The cubic root of 7964819670 is about 1997.0639978882.

The spelling of 7964819670 in words is "seven billion, nine hundred sixty-four million, eight hundred nineteen thousand, six hundred seventy".