8977773816 has 192 divisors, whose sum is σ = 27760112640. Its totient is φ = 2594592000.

The previous prime is 8977773787. The next prime is 8977773863. The reversal of 8977773816 is 6183777798.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9854401 + ... + 9855311.

It is an arithmetic number, because the mean of its divisors is an integer number (144583920).

Almost surely, 2^8977773816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8977773816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13880056320).

8977773816 is an abundant number, since it is smaller than the sum of its proper divisors (18782338824).

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

8977773816 is a wasteful number, since it uses less digits than its factorization.

8977773816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498 (or 1491 counting only the distinct ones).

The product of its digits is 24893568, while the sum is 63.

The square root of 8977773816 is about 94751.1151174486. The cubic root of 8977773816 is about 2078.3701031938.

The spelling of 8977773816 in words is "eight billion, nine hundred seventy-seven million, seven hundred seventy-three thousand, eight hundred sixteen".