8578338772 has 12 divisors (see below), whose sum is σ = 15025911040. Its totient is φ = 4285221336.

The previous prime is 8578338761. The next prime is 8578338827. The reversal of 8578338772 is 2778338758.

It is a happy number.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 982122 + ... + 990817.

Almost surely, 2^8578338772 is an apocalyptic number.

It is an amenable number.

8578338772 is a deficient number, since it is larger than the sum of its proper divisors (6447572268).

8578338772 is a wasteful number, since it uses less digits than its factorization.

8578338772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974030 (or 1974028 counting only the distinct ones).

The product of its digits is 15805440, while the sum is 58.

The square root of 8578338772 is about 92619.3218070614. The cubic root of 8578338772 is about 2047.0780320351.

The spelling of 8578338772 in words is "eight billion, five hundred seventy-eight million, three hundred thirty-eight thousand, seven hundred seventy-two".