8997769044 has 72 divisors (see below), whose sum is σ = 26271580608. Its totient is φ = 2566206720.

The previous prime is 8997769037. The next prime is 8997769057. The reversal of 8997769044 is 4409677998.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 661552 + ... + 675015.

It is an arithmetic number, because the mean of its divisors is an integer number (364883064).

Almost surely, 2^8997769044 is an apocalyptic number.

It is an amenable number.

8997769044 is an abundant number, since it is smaller than the sum of its proper divisors (17273811564).

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

8997769044 is a wasteful number, since it uses less digits than its factorization.

8997769044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336605 (or 1336600 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 63.

The square root of 8997769044 is about 94856.5709057628. The cubic root of 8997769044 is about 2079.9119356823.

The spelling of 8997769044 in words is "eight billion, nine hundred ninety-seven million, seven hundred sixty-nine thousand, forty-four".