7864026772 has 24 divisors (see below), whose sum is σ = 15773139200. Its totient is φ = 3360636000.

The previous prime is 7864026743. The next prime is 7864026799. The reversal of 7864026772 is 2776204687.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392604 + ... + 412147.

Almost surely, 2^7864026772 is an apocalyptic number.

It is an amenable number.

7864026772 is an abundant number, since it is smaller than the sum of its proper divisors (7909112428).

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

7864026772 is a wasteful number, since it uses less digits than its factorization.

7864026772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805111 (or 805109 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 49.

The square root of 7864026772 is about 88679.3480580456. The cubic root of 7864026772 is about 1988.6040875860.

The spelling of 7864026772 in words is "seven billion, eight hundred sixty-four million, twenty-six thousand, seven hundred seventy-two".