8719773492 has 12 divisors (see below), whose sum is σ = 20346138176. Its totient is φ = 2906591160.

The previous prime is 8719773479. The next prime is 8719773521. The reversal of 8719773492 is 2943779178.

It is a tau number, because it is divible by the number of its divisors (12).

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, 363323884 + ... + 363323907.

Almost surely, 2^8719773492 is an apocalyptic number.

It is an amenable number.

8719773492 is an abundant number, since it is smaller than the sum of its proper divisors (11626364684).

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

8719773492 is a wasteful number, since it uses less digits than its factorization.

8719773492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726647798 (or 726647796 counting only the distinct ones).

The product of its digits is 5334336, while the sum is 57.

The square root of 8719773492 is about 93379.7274144661. The cubic root of 8719773492 is about 2058.2671111996.

The spelling of 8719773492 in words is "eight billion, seven hundred nineteen million, seven hundred seventy-three thousand, four hundred ninety-two".